3 years ago

What two numbers have a sum of 217 and a difference of 85?

Mathematics

1 answer:

Setler [38]3 years ago

8 0

Answer:

the two numbers are 151 and 66

Step-by-step explanation:

x+y =217

x-y = 85

add the two equations

x+y =217

x-y = 85

-------------

2x = 302

divide by 2

2x/2 = 302/2

x = 151

now find y

x+y =217

151+y =217

subtract 151 from each side

y = 217-151

y =66

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