Just divide the total spaces by spaces per row: 2800/25 = 112
Answer:
10 pounds of the $1.50 chocolate were used.
30 - x represents the number of pounds of the 0.90 chocolate used.
Step-by-step explanation:
30 * 1.10 = 1.5x + 0.9 (30 - x)
33 = 1.5x + 27 - 0.9x
0.6x = 6
x = 10
Subtract 3... an example of the next 3 answers would be -5,-8,-11
C=2pir=pid
given
c=28pi
28pi=2pir=pid
divide everybody by pi
28=2r=d
28=d
28=2r
divide 2
14=r
d=28 m
first option
r=14 m