Answer:
Step-by-step explanation:
5x + y = 9
-10x + 7y = 18
10x + 2y = 18
-10x + 7y = 18
9y = 36
y = 4
5x + 4 = 9
5x = 5
x = 1
(1,4)
answer is D
20,000,000+400,000+80,000+4,000+100+60+3
It takes you 90 minutes to wash 3/4 of your windows
Multiply both numbers by 4.
It takes you 360 minutes to wash 3 of your windows.
Divide both numbers by 3.
It takes you 120 minutes to wash 1 of your windows.
120 minutes = 2 hours.
It will take you 2 hours to wash all the windows.
Answer:
10
Step-by-step explanation:
19 divided by 19 is equal to 1 so you cross out 19 and are left with "b".
190 divided by 19 is equal to 10.
b=10
Answer:
ttrhrtherhhhtrhtr
Step-by-step explanation:
