Two stacks

Two stacks of books together are 7 5/8 inches tall. If one stack is 4 11/16 inches tall, how tall is another stack?

Correct answer:

a =  2 1516 = 47/16 in

Step-by-step explanation:

t=785=7+85=87 8+5=856+5=861=7.625 in b=41611=4+1611=164 16+11=1664+11=1675=4.6875 in  a+b = t  a=tb=8611675=161221675=1612275=1647=1647 in=21615 in=2.9375 in



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