CTookiJosier CTookiJosier

18-10-2016
Mathematics

contestada

Find two numbers whose sum is 42 and whose difference is 16.

Respuesta :

texaschic101 texaschic101

18-10-2016

a + b = 42
a - b = 16 ==> a = b + 16

b + 16 + b = 42
2b + 16 = 42
2b = 42 - 16
2b = 26
b = 26/2
b = 13 <===

a = b + 16
a = 13 + 16
a = 29 <===

Answer Link

Otras preguntas

What does Hajj mean?

Jesse's dog Angel weights 18 1/2 lbs.. How many ounces does Angel weight?

Jesse's dog Angel weights 18 1/2 lbs.. How many ounces does Angel weight?

Is 3/4 and 3/8 equivalent fractions and why? Thanks

What are the factors of 65. Like a factor tree.

what are the three uses for geography???

A restaurant received a shipment of 42 gal of orange juice and 18 gal of cranberry juice. The juice needs to be poured into equal-sized containers. What is the

Jesse's dog Angel weights 18 1/2 lbs.. How many ounces does Angel weight?

why did the intolerable acts happened??

How do you graph and work problem x+4y=16??