Well, this is an easy question. What numbers are in front and behind 1486?
1485, 1486, and 1487.
Your answers are 1485 and 1487.
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Answer:
p=43
Step-by-step explanation:
(p+7)+(3p+1)=180
Answer:
The bookstore receive 9 boxes.
Step-by-step explanation:
Answer:
Step-by-step explanation:
So we have the equation:
First, distribute the 7 into the (x+8) and simplify:
Combine the like terms 7x and 8x by adding them together:
Subtract 56 from both sides to isolate the x:
Divide both sides by 15 to get x:
Answer:
10 minutes
Step-by-step explanation:
Let's use the variable x for the amount of coins.
The first machine can sort x coins in 15 minutes, so its speed is x/15 coins/minute.
The second machine can sort x coins in 30 minutes, so its speed is x/30 coins/minute.
If we sum the speeds, we have that the speed will be:
speed = (x/15) + (x/30) = (2x + x)/30 = 3x/30 = x/10
The total speed can sort x/10 coins per minute, that is x coins in 10 minutes.
