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quester [9]
3 years ago
12

80 is 40 percent of what number?

Mathematics
2 answers:
lilavasa [31]3 years ago
6 0
We have an equation: 80/?= 40/100

Cross multiply:
40*?= 80*100
⇒ ?= 80*100/40= 200

80 is 40% of 200~
77julia77 [94]3 years ago
3 0
0.4a=80 ----- ----- 0.4 0.4 a=200 Where a is the number times 40%, which is 0.4 in decimal form.
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