Answer:
#22.
Ask:
Total cost of the items bought by Mrs. Aileen.
Given:
6 packs of 1kg sugar for 336.00
4 permanent markers for 17.00 each
NUMERICAL EXPRESSION
336.00 + 4 x 17.00
SOLUTION
Then, apply PEMDAS rule.
So, 336.00 + 68.00 = 404.00
ANSWER:
404.00 is the total cost of items bought by Mrs. Aileen.
#23.
How old will Marlou's mother be after 5 years?
Marlou is 13 years old.
His mother is 3 times as old as he is.
13 x 3 + 5
So, 39 + 5 = 44
Marlou's mother will be 44 years old after 5 years.
#25.
How much was her change from 1,000.00?
3 face towels for 79.00 each
2 pairs of socks for 120.00 each
3 x 79.00 + 2 x 120.00 - 1000.00
So, 237.00 + 240.00 - 1000.
Then, 477.00 - 1000.00 = -523.00
ANSWER
Donna's change was 523.00
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Verified answer
Answer:
#22.
Ask:
Total cost of the items bought by Mrs. Aileen.
Given:
6 packs of 1kg sugar for 336.00
4 permanent markers for 17.00 each
NUMERICAL EXPRESSION
336.00 + 4 x 17.00
SOLUTION
336.00 + 4 x 17.00
Then, apply PEMDAS rule.
So, 336.00 + 68.00 = 404.00
ANSWER:
404.00 is the total cost of items bought by Mrs. Aileen.
#23.
Ask:
How old will Marlou's mother be after 5 years?
Given:
Marlou is 13 years old.
His mother is 3 times as old as he is.
NUMERICAL EXPRESSION
13 x 3 + 5
SOLUTION
13 x 3 + 5
Then, apply PEMDAS rule.
So, 39 + 5 = 44
ANSWER:
Marlou's mother will be 44 years old after 5 years.
#25.
Ask:
How much was her change from 1,000.00?
Given:
3 face towels for 79.00 each
2 pairs of socks for 120.00 each
NUMERICAL EXPRESSION
3 x 79.00 + 2 x 120.00 - 1000.00
SOLUTION
3 x 79.00 + 2 x 120.00 - 1000.00
Then, apply PEMDAS rule.
So, 237.00 + 240.00 - 1000.
Then, 477.00 - 1000.00 = -523.00
ANSWER
Donna's change was 523.00