Answer:81.31
Step-by-step explanation:
By finding like denominators, you can add the fractions on each side. Then, compare by cross multiplying.
Answer:
1681 for area of <em>rectangle</em>
They need 2 and 1/2 rolls.
Area = length x width
A = l x w
A = 20 x 3
A = 60 ft²
If 60 ft² = 1 roll
What about 150 ft² = ?
= (150 x 1) ÷ 60
= 150 ÷ 60
= 2.5
= 2 and 1/2 rolls
