Multiplying!! pls help thanks

Step-by-step explanation:

5/7 x 3/4 = find the common denominator.

Then,

Let’s say 28.(multiply seven to the second fraction and 4 to the first.)

So,

20/28x21/28.

Then, cross multiply the numerator of the first fraction by the denominator of the second. Same for the denominator of the first and numerator of the second.

x+y=90

x=30-y=x

step-by-step explanation:

if you understand you will get the answer

the monthly balance will be $75,000