Question

Henry receives a flat rate of $90 per day and can earn a $2.50 commission for each computer repair (r) he performs. Yolanda receives a flat rate of $75 per day and can earn $5.25 per computer sale (s) she makes. Which system of linear equations models their earnings?

A. H=75+2.50r
Y=90+5.25s

B. H=2.50r-90
Y=5.25s+75

C. H=90+2.50r
Y=75+5.25s

D. H=90-2.50r
Y=75-5.25s

Answer 1

Think you can help me with this? @hennawho

Answer 2

The r and the s are the number of repairs done by Henry and Yolande
Thus , Henry earns 2.50r dollars if he does r repairs

Answer 3

So the equation for Henry must contain + 2.50r

Answer 4

So its A or C?

Answer 5

Also note that for Henry the flat rate is $90

Answer 6

Yes A or C

Answer 7

The sign must be + because the commission is in addition to the flat rate. Follow?

Answer 8

I would say C

Answer 9

So which one is it

Answer 10

c?

Answer 11

Correct be.cause Henrys a,mounts are 90 and 2.50r

Answer 12

Thanks!

Answer 13

So it H = 90 + 2.50

A is 75 + 2.5r

Answer 14

Yw