The difference of two numbers is 40. Their sum is 66. Find the numbers.

Question

01-09-2017
Mathematics

contestada

The difference of two numbers is 40. Their sum is 66. Find the numbers.

Respuesta :

Otras preguntas

Mini-Project: Cents and the Central Limit Theorem 1. Collect a sample of at least 50 pennies by setting aside all the pennies you receive in change for severa

how do you write 4540 million in standard form?

What are the functions of receptors in our body? Think of a situation where receptors do not work properly. What problems are likely to arise?

The function of the eardrum in the middle ear is to

Why is sodium sulphate hemihydrate called as "Plaster of Paris"?

What were the major causes of WWII? Please include at least 4 answers.

what is a high structure part of a church which has 5 letters

Simplify the expressions: cot 0 sec 0 A. Sin0 B. Csc0 C. Cos0 D. Cos* 0

Why is sodium sulphate hemihydrate called as "Plaster of Paris"?

apologiabiology apologiabiology · Answer 1 · 2017-09-01T06:22:30+02:00

apologiabiology apologiabiology

01-09-2017

first of all, x>y
x-y=40
and
x+y=66
add them equations together to eliminate

x-y=40
x+y=66 +
2x+0y=106

2x=106
divide by 2
x=53

sub back
x-y=40
53-y=40
minus 53 both sides
-y=-13
y=13

the numbers are 53 and 13

Answer Link

bri226 bri226 · Answer 2 · 2017-09-01T06:28:35+02:00

bri226 bri226

01-09-2017

53-13 equals 40 and 13+53 is 66

Answer Link