Answer:
2r+1+(-4r)+7
= -2r+8
= -2(r+4)
Step-by-step explanation:
a.10 oz
2.50/10=10
2.80/14=.20
4.00/16=.25
5.40/18=.30
a. 3 1/7 b. 3 1/6 and c. 2
hope it helps you!!!!!!!!!!
$1407.15
$1,770.00*0.25= $442.5
$1.770-$442.50 = $1327.5
$1327.5*0.06 = $79.65
$1327.50+$79.65 = $1407.15
