Molly and Liza are exercising. Molly does 10 push-ups at the same time as Liza does 15 push-ups. When Molly does 40 push-ups, how many push-ups does Liza do

Question

Tiki

Mathematics

8 February, 06:26

Molly and Liza are exercising. Molly does 10 push-ups at the same time as Liza does 15 push-ups. When Molly does 40 push-ups, how many push-ups does Liza do

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Answers (2)

Know the Answer?

Nora Sanders · Answer 1

Answer: 60 push ups sowwy if im wrong

Step-by-step explanation:

molly Liza

10 15

20 30

30 45

40 60

Easier way to do this is to multiply 15 and 4 which is 60

Lucia Sullivan · Answer 2

60 push-ups

Step-by-step explanation:

Set up a ratio to represent the problem:

Molly : Liza

10 : 15

40 : ?

How did we get from 10 to 40?

You multiply by 4. Therefore, multiply by 4 on both sides of the ratio.

10 : 15

x4 x4

40 : 60

So, Liza does 60 push-ups while Molly does 40.