mirenydoya
mirenydoya mirenydoya
  • 15-06-2016
  • Mathematics
contestada

65 is 15 less than 4 times a number. What is the number?

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Fhuo683
Fhuo683 Fhuo683
  • 15-06-2016
Work backwards and inverse. Begin with 65 add 15 to get 80. Then divide by 4 to get 20. The number is 20. Now plug in the 20 and solve. 20 × 4 = 80 80 - 15 = 65
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