3 years ago

Henry was thinking of a number. Henry divides by 2, then adds 10 to get an answer of 15. What was the original number?

Mathematics

2 answers:

disa [49]3 years ago

4 0

Answer:

Henry was thinking of the number 10.

Step-by-step explanation:

Variable x = Henry's original number

Set up an equation:

x ÷ 2 + 10 = 15

Isolate variable x:

x ÷ 2 = 5

x = 10

Ksju [112]3 years ago

3 0

10 bc 10 divided by 2 is 5 then 5 plus 10 = 15

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