We just substitute in -12 for x in each one and see if it's true
2(-12)+6 = -24 + 6 = -18, not 30, NOPE
-0.25(-12) - 1 = 3-1 = 2, that worked, CHECK ME
-12 - 8 = -20, CHECK ME
-35(-12) +2 = 422, not -515, NOPE
3(-12+25)=3(13)=39, CHECK ME
You must add <u>7 scoops </u>to the truck.
14 - 3.5 = 10.5 tons needed
10.5 ÷ 1.5 = <u>7 scoops needed</u>
Answer:
Step-by-step explanation:
1/5x + 13= x- 107
He has 10 nickels and 5 dimes
We can take advantage of the ratio by dividing 40 by 8, giving us that every 1 in the ratio = 5. So we can multiply 2 x 5 = 10 and 1 x 5 = 5.
Hope this Helps!
