Question

9.
The sum of two numbers is 51. Their difference is 13. What is the smaller of the two numbers?
(Points : 1)

18


19


20


21


10.
Charlotte has two job offers as a car sales person. The first job will pay her $600 a month plus 2% on the price of her car sales. The second job will pay $1000 a month plus 1% on the price of her sales. How much must she sell each month to make the same income from the two jobs?
(Points : 1)

$20,000


$30,000


$40,000


$50,000

Answer 1

alright for your first question:
let x = larger number
and let y = smaller number,

you have to come up with two equations to solve for x and y, can you think of what those might be?

Answer 2

19 is the smaller number 31 is the larger

Answer 3

note the key words of 'sum' and 'difference' in the question

Answer 4

32 oops

Answer 5

now that we know ChrisV can give you an answer can we see how you might go about doing it?

Answer 6

so you can actually learn?

Answer 7

..just saying doing his hw won't help him on an exam.

Answer 8

a+b = 5, a= 51-b
a-b=13, a=13+b
13+b=51-b
2b=38
b=19

Answer 9

a+b=51 oops

Answer 10

better?