kingsofficial88 kingsofficial88
  • 16-01-2020
  • Mathematics
contestada

A larger number is five more than double a smaller number. If their difference is 13, what are the numbers

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Valentino2019
Valentino2019 Valentino2019
  • 18-01-2020

Answer:

8 and 21

Step-by-step explanation:

let x be the smaller number and y the larger number

a larger number is five more than double a smaller number

y=(2x)+5-----i

their difference is 13

y-x=13-------ii

substituting for y in ii

2x+5-x=13

collecting like terms

2x-x=13-5

x=8

recall ii and substitute for x

y-x=13

y-8=13

therefore

y=13+8

=21

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