3 What is the number?
i Twice a number is equal to 40.
ii Five times a number is equal to 30.
iii Half of a number is 16.
iv Eight times a number is 32.
v I thought of a number. If I multiply this number by 9, the number will be 117
pls answer these question I will mark them as brain list 2hich answers first
i Twice a number is equal to 40.
ii Five times a number is equal to 30.
iii Half of a number is 16.
iv Eight times a number is 32.
v I thought of a number. If I multiply this number by 9, the number will be 117
pls answer these question I will mark them as brain list 2hich answers first
Answers & Comments
Answer:
Hope it helps you
Answer:
i. Let the required number be x.
According to the question,
2x= 40
x = 40/2
x = 20
ii. Let the number be y.
According to the question,
5y = 30
y = 30/5
y = 6
iii. Let the number be n.
According to the question,
= 1/2 of n = 16....(equation)
= 1/2 × n = 16
= n/2 = 16
= n = 16×2 = 3
iv. Let the required number be 'm'.
According to the question,
8 × m = 32
m = 32/8
m = 4
v. Let no. be z.
According to the question,
=> 9 × z = 117
=> 9z = 117
=> z = 117/9
=> z = 13