brileighstarling brileighstarling
  • 02-09-2020
  • History
contestada

one number is 7 times a first number. A third number is 100 more than the first number. if the sum of the three numbers is 541, find the numbers

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mmuir8235 mmuir8235
  • 02-09-2020

Answer:

Number 1: 49

Number 2: 343

Number 3: 149

Explanation:

Let x be the first number

The equation for this word problem would be: x+7x +100+x=541.

Solving for x:

x+ 7x +100+x=541.

9x+100=541

9x=441

x=49

Then, checking my answer:

49+7(49)+100+49=541

Do 7*49

49+343+100+49

Add all the numbers together

541=541

Then, using 49 as the first number, calculate the other numbers.

Number 1: 49

Number 2: 7*49 = 343

Number 3: 100+49 = 149

Hope this helps!

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