mhh92
10.09.2021 •
Mathematics
A dressmaker needs to cut 12-inch pieces of ribbon from rolls of ribbon that are 9 feet in length. How many 12-inch pieces can the dressmaker cut from 15 of these rolls of ribbon?
Before you try that problem, answer the question below.
How many inches of ribbon does the dressmaker have, in total?
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Ответ:
49.8
Step-by-step explanation:
Number - x
2.5% of the number is 0.025x.
New number is x+0.025x = 1.025x.
New number is 51.
1.025x = 51
x = 51/1.025≈ 49.8