Answer:

Step-by-step explanation:
Let x represent the number of lawns Jacob mowed and y represent the number of dogs Sarah walked.
Jacob charges $20 each time he mows a lawn, then he earns $20x for x lawns mowed.
Sarah charges $10 each time she walks a dog, then she earns $10y for y dogs walked.
In total, they will earn $(20x + 10y). They need at least $2000 in order to go on a trip, then

Note that 
For APEX it’s C
(0.15/365 • 30) ($320)
Good luck my dudes!!
If you would like to write 7/8 as a decimal, you can do this using the following steps:
7/8 = (125*7)/1000 = 875/1000 = 0.875 = .875
The correct result would be b. .875.
9/18 in lowest term is 1/2
Work:
9/18 ÷ 9/9 = 1/2
1/2 = 0.5
0.5 = 50%
Answer:
z = 20
Step-by-step explanation:
subtract 19z from 20z, and add 8 to 12. you will be left with 20 = 1z. Divide 1 by 20 and you will have Xz =20.
I hope this helps!