Answer:
1200
Step-by-step explanation:
We’ll need a number that is evenly dividable by all three values: 8,12 & 15. We can develop the generic common multiple by multiplying all three numbers and get 1440. But is that the smallest common multiple? The quick and dirty way to factor the number is to divide it by it’s various elements and see what works. In this case 1440/12=120 which is the smallest common multiple of the three numbers. The smallest length is therefore 120.
In order to find how many bricks just divide (120x120x120)/(8x12x15)=1200 bricks
Answer:
x=-1
Step-by-step explanation:
-4(-5x+2)-3x-5=-30
open the bracket
+20x-8-3x-5=-30
collect like terms
20x-3x-8-5=-30
17x=-30+13
17x= - 17
divide both sides by 17
x= -1
36 g I’m pretty sure that’s the answer
Answer: 66
Step-by-step explanation: C=rx3x2 C=21x3x2= 66
Answer:4:1
Step-by-step explanation: you have to find the unit rate ( how much for 1) so you set 3 to equal 1 and to do that you divide by three so you do that to the 12 also
