Answer:
the hours (3)
Step-by-step explanation:
It is the variable that you change to see the outcome (Changing the time will change the price)
4/7 = 12/21
12/21 = x + 3/21
9/21 = x
Hope this helped!!
Each oz cost 0.8 because 16÷20=0.8
Answer:
a. No
b. Yes
c. No
d. Yes
e. Yes
Step-by-step explanation:
a. 8 + 13 = 21. No
b. -6 - 10 = -4. Yes
c. 6 × 4.6 = 27.6. No
d. 15 × 3.9 = 58.5. Yes
e. -6 × (-5) = 30. Yes