Use cross multiplication to figure this out. (What does xy = ) .78x/7 = 19/4y

asked Oct 8, 2022 19.8k views

2 votes

Use cross multiplication to figure this out. (What does xy = )
.78x/7 = 19/4y

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2 votes

Answer:

xy = 42.6282051282...

Explanation:

0.78x/7 = 19/4y

0.78x * 4y = 3.12xy

19 * 7 = 133

3.12xy = 133

3.12xy/3.12 = 133/3.12

xy = 42.6282051282...

Kapsh answered Oct 12, 2022

by Kapsh

4.0k points

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