The quantities in the proportion you give add to 16 pounds, of which 2 pounds are cement. That is, cement constitutes 1/8 of the total weight.
For each yard of concrete, 4000 lb/8 = 500 lb of cement are used.
For 12.5 yards of concrete, 12.5 * 500 = 6,250 pounds of cement will be used.
_____
"yard" in this case is shorthand for "cubic yard".
Answer:
what is cheese ravioli tell Martha to go to the grocery store and get some chef Boyardee ravioli
Find min
min is 1.5-0.2=1.3cm
max is 0.2+1.5=1.7cm
so it would be a graph from 1.3cm to 1.7cm
like below
Answer:
ABCD = 0.803
Step-by-step explanation:




ABCD = 89.63 * (-89.63) * (-0.01) * (0.01)
ABCD = 0.803