4 years ago

The sum of two numbers is 70. One number is 10 more the twice the other number.

Mathematics

1 answer:

GalinKa [24]4 years ago

4 0

Answer:

20 and 50

Step-by-step explanation:

x + y = 70

y = 2x + 10

Use the substitution method:

y = 70 - x

y = 2x + 10

70 - x = 2x + 10

3x = 60

x = 20

x + y = 70

20 + y = 70

y = 50

x = 20

y = 50

You might be interested in

An envelope contain 40 shopping vounchers of which 25 voucher each have value of $50 and 15 vouchers each have a value of $100.

Ghella [55]

Answer:

yes is correct ◆◆◆◆◆◆◆◆◆◆♡♡♡♡♡

7 0

3 years ago

Read 2 more answers

Dr. Baker, a veterinarian, recorded the weight of each newborn kitten her office saw today.

Assoli18 [71]

There’s not actually a question. But I might be able to help if u show the full problem

7 0

3 years ago

A currency exchange will convert 1

Eddi Din [679]

Answer: a) 26297.50 b) 124.992870045

Step-by-step explanation:

a) 105.19*250=26297.50

b) 13148/105.19= 124.992870045

6 0

3 years ago

a circle has a radius of 3 feet. what is the circumference of a bigger circle if the scale factor of the smaller to bigger is 4:

AlexFokin [52]

1:4 is you answer. 4-3 is 1 and you do the same to 7

5 0

4 years ago

I am of a number. If you multiply my number by 4, add -4 to the product, and then take 1/3 of the sum, the result is -6. Find my

Bumek [7]

(4x-4)/3=-6→4x-4=-18→4x=-14→x=-7/2

3 0

3 years ago