L= 4*B+42
L= the load
B is the weight of each brick
42 is the weight of the carrier
Answer:
93
Step-by-step explanation:
Answer:
-48
Step-by-step explanation:
12 x 4= 48 just add negative sign to 48.
Hope this helps :3
Answer:
1 hour 12 minutes or 1.2 hours
Step-by-step explanation:
You add fractions to get this.
1 room/3 hours + 1 room / 2 hours = 1 room / x
0.33333333+0.5 = 1 room / x
0.83333333 = 1 / x Multiply both sides by x
0.83333333x = 1 Divide by 0.8333333
x = 1/0.833333
x = 1.2 hours or
x = 1 hour and 12 minutes
Anything divided by zero is one so the answer is 1