A number plus 50 percent of it is 7.5, and this number is
7.5/(1+50%)=5
Hope to help you!
A number plus 50% of it is 7.5?
7.5 △ 1.5, = 5; a: the number is 5
27 minus 2.4 times a number, the difference is 15. This number is solved by the equation
Solution: let this number be X
27-2.4x=15
2.4x=27-15
2.4x=12
x=12÷2.4
x=5
The difference of 15.5 minus x is equal to 2.5
15.5-x=2.5
x=15.5-2.5
x=13
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