(60x3)x4 = 60x(? x 4)

What number should be written as the ? to make the equation true?
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1 Answer

(60x3)x4 = 60x(? x 4)

rewritten as:

(60*3)4 = 60(z* 4)

(90)4 = 60(4z)

(90)4 = 60(4z)

360 = 240z

360/240 = 240z/240

1.5 = z

 

 

by Level 6 User (19.3k points)

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