Answer:
8 hours
Step-by-step explanation:
We can use a ratio to solve
12 hours x hours
---------- = ------------
93 dollars 62 dollars
Using cross products
12 * 62 = 93x
Divide each side by 93
12*62/93 = 93x/93
8 = x
8 hours
Answer:
its 72
Step-by-step explanation:
hope this helps
Answer: 3x + 5y = 15
Step-by-step explanation:
The answer is C)7 packages of pencils and 8 package of erasers
Pencils 8×7=56
Erasers 7×8 =56
Each pencil will have one eraser
Answer:
= 5a - 1
Step-by-step explanation:
rope 1 = 3a + 6
rope 2 = 2a - 7
total length = 3a + 6 + 2a - 7
= 3a +2a + 6 - 7
= 5a - 1
