Answer:

Step-by-step explanation:
Please see the attached picture for the full solution.
Answer:
364
Step-by-step explanation: i divided so if its not correct you can kill me later
Answer:
(900 ÷ 4) x 10 -200 = 2050 And this will equal last Summer's earnings
Step-by-step explanation:
So we know that 900$ is equal to 40% and that we can simplify this
900 ÷ 4 = 225
40% ÷ 4 = 10%
Therefore:
225 = 10% and
2250 = 100% of earnings
Answer:
$2.6
Step-by-step explanation:
12/4=3 that means each paintbrush cost $3
3.20/8=0.4 that means each pen cost $0.40
3-0.4=2.6
Answer:
10y-30
Step-by-step explanation:
10*1y=10y
-3*10=-30
10y-30