Question

Vanessa buys a strip of 25 postage stamps the stamps is 21 7/8 inches long how long is it after Vanessa uses on stamp

Answer 1

To get the answer we have to multiply 25 times 21 7/8. To do that we have to transform 21 7/8 into improper fraction and thn multiply 25 times numerator.

`21 (7)/(8)= (21*8+7)/(8)= (175)/(8)`

`(175)/(8)*25 = (175*25)/(8)= (4375)/(8)=546 (x)/(y) (7)/(8)` - its the answer