honeybee624 honeybee624
  • 16-01-2020
  • Mathematics
contestada

the second of two numbers is 5 more than twice the first. their sum is 80. find the numbers

Respuesta :

texaschic101
texaschic101 texaschic101
  • 16-01-2020

Answer:

Step-by-step explanation:

x = first number, y = second number

x + y = 80

y = 2x + 5

x + 2x + 5 = 80

3x + 5 = 80

3x = 80 - 5

3x = 75

x = 75/3

x = 25

y = 2x + 5

y = 2(25) + 5

y = 50 + 5

y = 55

so ur numbers are : 25 and 55 <==

Answer Link

Otras preguntas

Kay's mother taught her how to make handmade ornaments to sell at a craft fair. Kay rented a table at the fair for $30 and set up her work station. Each ornamen
A body is thrown vertically upward with the velocity u, the greatest heighth to which it will rise is(A) ulg| (B) u2/2g(C) ulg(D) u/2g​
Enter the value of n for the equation
Please help me it’s urgent thank
Suppose y vairies inversely with x, and y=7. Write an equation for the inverse variation. 40 POINTS EASY!!!!!
To be labeled as a jumbo egg, the egg is supposed to weight 2.5 oz. However, when Desmond buys a carton of jumbo eggs, the weight of one is 2.4 oz. What is the
Which super continent forms the core of North America?
The Vega family has a cell phone plan that costs $75 per month including taxes and fees.The plan lets the 5 members of the Vega family share 1,000 of talk time
Can someone please explain this to me? I need help ​
what is anatomy? why we study anatomy? purpose of study