Posted by **ann** on Monday, January 30, 2012 at 9:29am.

could you please help me?

john needs to earn $693 to pay for trip. he finds job that pays $7 per hour and he mows lawns for $9. an hour

a. write an inequality describing his goal in terms of hours at his job, x, and hours mowing lawns, y .

i wrote 7x + 9y = 693., is this correct, if not could you please show me thanks ann

b. to graph the inequality how would i get points?

- algebra -
**Reiny**, Monday, January 30, 2012 at 10:25am
They had asked for an inequality.

Since he needs at least $693 you should have had

7x + 9y ≥ 693

to graph this, I would use the intercepts, (693 divides nicely by both 7 and 9)

for x-intercept, let y = 0

7x = 693 , x = 99

for y-interecept , let x = 0

9y = 693, y = 77

so after scaling your graph, plot

(0,77) and (99,0)

draw a solid line (the points on the line are included)

and shade in the region above the line.

- algebra -
**ann**, Tuesday, January 31, 2012 at 5:01pm
thank you so much for your help reiny. i really appreciate it.ann

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