X = excellent condition books
y = fair condition books
2.50x + 0.50y <== ur expression
Answer:
A. 13
Step-by-step explanation:
2(x - 3) + 3y
2(5 - 3) + 3×3
2× 2 + 3×3
4 + 9
13
Answer:
20 percent decrease
Step-by-step explanation:
0.15 cents is 10 percent of 1.50, and that multiplied by 2 is 0.30 cents. 0.30 cents is equal to 20 percent, and the difference between 1.50 and 1.20 is 30 cents.
Answer:
(36,72)
Step-by-step explanation:
The x (3) is half of y (6) so following that pattern (36,72) is the only option.
