The ratio 9/15 and 6/15 form a proportion
Answer:
29
Step-by-step explanation:
Subtract 78 by 49, you would get 29.
Answer:
25
Step-by-step explanation:
Once the negative value is taken away, it's the largest number out of the bunch.
Answer: 8 textbooks
Step-by-step explanation:
Sold 40 notebooks = 40 x $4 = $160
$800 - $160 = $640 left to sell
$640/$80 (cost of textbook) = 8 textbooks need to be sold
