littlebunch
09.02.2021 •
Mathematics
John is painting a box that is shaped like a cube. 1/10 of a bottle of paint covers 2/5 of the box. How many cubes can he paint with 2 bottles of paint?
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Ответ:
8
Step-by-step explanation:
1/10 bottle of paint covers 2/5 of box
2 bottles of paint will cover x of box
Using cross multiplication :
1/10 = 2 / 5
2 = x
(1 / 10)x = 2/5 * 2
x / 10 = 4 / 5
Cross multiply :
5x = 40
Divide both sides by 5
x = 40/5
x = 8
Hence, 2 bottles of paint will be used to paint 8 boxes
Ответ:
3 rolls of dimes and 8 rolls of nickels
hope it helps :]