45% of the beads in a box are blue. if there are 36 blue beads in the box, how many beads are there altogether?

Question

Mathematics

Amber Rich

20 April, 16:32

45% of the beads in a box are blue. if there are 36 blue beads in the box, how many beads are there altogether?

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Answers (2)

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Eduardo Sheppard · Answer 1

36:0.45=80

There are 80 beads altogether

Trevino · Answer 2

Breaking down the numbers shows that if 45% is 36 beads, then 5% is 4 beads (divide by 9). Then multiply 5% by 20 (to get 100%) and 4 beads by 20 (distributive property) to have 80 beads.