asilentvoice asilentvoice

02-08-2022
Mathematics

contestada

The time allotted for the Math test for 2 3/4 hours. Emma completed the test 1/2 of an hour earlier. How long did it take Emma to complete the test?

Respuesta :

sin0813 sin0813

02-08-2022

2 3/4h=2.75h
1/2h=0.5h
2.75h-0.5h=2.25
2.25h=2 1/4h

Or

1/2h•2=2/4h
2 3/4h-2/4h=2 1/4h

It took Emma 2 1/4 hours to complete the test.

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