A craft

A craft store has a 9-yard spool of ribbon. In the morning, a customer buys 1/5 yd of ribbon. Another customer buys 7/10 yd of ribbon in the afternoon from the spool. How much ribbon is left?

Correct answer:

x =  81/10 = 8 110 yd

Step-by-step explanation:

a=9 yd b=51=0.2 yd c=107=0.7 yd  x=abc=951107=1081 yd=8.1 yd



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