pa answer gawin ko brainiest ma ka sagot Ng maayos. mga magagaling sa Math.. thanks in advance
PROBLEMS
1. A boy says that if a negative number is subtracted from a positive
number, the difference is positive. A girl says the difference is negative,
who is correct? Explain your answer.
2. Joshua got 86% during the 1st grading period. His grade in 2nd grading
period was 98%. How much was the increase in his grade?
3. Sheila saves Php 464.00 every month from her allowance. How much
will she have saved in three weeks?
4. A crab is trapped at the bottom of a 12-meter hole. Each day, it climbs
up 3 meters but slides back 2 meters at night. How many days will it take
the crab to get out of the hole?
5. Aaron used 1/5 kg. of flour to bake a cake and 1/2 of the remainder for
cookies. How much of the flour was left?
6. Four identical minibuses can carry a total of 64 passengers. How many
passengers can be carried in 6 of these minibuses?
7. Princess saves Php 125.50 per week. How many weeks will it take her
to save Php 878.50?
PROBLEMS
1. A boy says that if a negative number is subtracted from a positive
number, the difference is positive. A girl says the difference is negative,
who is correct? Explain your answer.
2. Joshua got 86% during the 1st grading period. His grade in 2nd grading
period was 98%. How much was the increase in his grade?
3. Sheila saves Php 464.00 every month from her allowance. How much
will she have saved in three weeks?
4. A crab is trapped at the bottom of a 12-meter hole. Each day, it climbs
up 3 meters but slides back 2 meters at night. How many days will it take
the crab to get out of the hole?
5. Aaron used 1/5 kg. of flour to bake a cake and 1/2 of the remainder for
cookies. How much of the flour was left?
6. Four identical minibuses can carry a total of 64 passengers. How many
passengers can be carried in 6 of these minibuses?
7. Princess saves Php 125.50 per week. How many weeks will it take her
to save Php 878.50?
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Answers & Comments
Answer:
1. the boy
2. 6%
3. 348.00
4. 10 days
5. ang tanong ko is. ilan ba yung flour nya nung una palang?
6. 96 passengers
7. 7 weeks
ginawa ko po ito 40 mins
Step-by-step explanation:
1.
yung like yung tama kasi kapag nag subtract ka ng negative from positive, ang difference ay postive.
Example:
24 - (-15)
=24 + (+15)
=24 + 15
kapag nag meet yung minus at negative, magiging positive yung dalawa.
2.
(A + B) / 2
=(86% + 98%) / 2
=(184%) / 2
=92
Yung 92 is yung grade nya ngayon.
so kapag increase nmn. i minus mo yung first grade nya sa grade nya ngayon.
92% - 86% = 6%
3.
(3 weeks / month) x 464
=3 weeks / 4 weeks) x 464
=3/4 x 464
=3 (464/4)
=3 (116)
=348
4.
1st day:
0 + 3 = 3
3 - 2 = 1
2nd day:
1 + 3 = 4
4 - 2 = 2
3rd day:
2 + 3 = 5
5 - 2 = 3
4th day:
3 + 3 = 6
6 - 2 = 4
5th day:
4 + 3 = 7
7 - 2 = 5
6th day:
5 + 3 = 8
8 - 2 = 6
7th day:
6 + 3 = 9
9 - 2 = 7
8th day:
7 + 3 = 10
10 - 2 = 8
9th day:
8 + 3 = 11
11 - 2 = 9
10th day
9 + 3 = 12
naabot na nya 12 meters in 10 days
5.
?
6.
4 : 64 = 6 : ?
=(64 x 6) / 4
=384 / 4
=96
7.
878.50 / 125.50
= 7 weeks
Answer:
1.) May rule sa subtraction of integers na KCC or keep, change, change. Kung isusubract mo ang negative sa positive or (+) - (-) , magiging (+) + (+) siya kasi iki-keep mo ung unang sign kaya positive parin siya, then iche-change mo ung operation sa gitna kaya magiging addition siya, and iche-change mo den ung sign nung last term which is magiging positive den... Alam naman naten na positive plus positive is equal to positive... Therefore, tama si boy
Step-by-step explanation:
ikaw na mag-english aber