Use the​ five-step strategy for solving word problems to find the number described. When ​50% of a number is added to the​ number, the result is 210.

Answer 1

50% = 0.5

N+ 0.5N = 1.5N

1.5N = 210

N = 210/1.5

N= 140= the Number

140+ half 140 = 140+70 = 210