Answer this question:An artist spends 30 hours every week painting. If it takes her 3 hours to complete a painting, how many paintings can she make in four weeks?
She completes 30 hours / week / 3 hours / painting = 10 paintings / week. So in one month, she paints 10 paintings / week * 4 weeks / month = 40 paintings.
The answer is 40.

Answer this question:A big box store sees 175 people enter their store every hour. This number doubles during the holiday season. During the holiday season, how many customers will this big box store see in 8 hours?
They see 175 people per hour and this number doubles during the holiday season so that's 175 * 2 = 350 people per hour. In an 8 hour day, if 350 people visit every hour then they will see 8 * 350 = 2,800 people in 8 hours.
The answer is 2800.

Answer this question:The total cost of Olivia’s groceries was $42. The bananas cost her $12, the bread cost her $9, and the milk cost her $7. The only other groceries she bought were apples. In dollars, how much money did the apples cost her?
The combined cost of the bananas, bread, and milk was 12 + 9 + 7 = $28. The difference between this and the total is the cost of the apples, which must have therefore cost Olivia 42 – 28 = $14.
The answer is 14.

Answer this question:Sammy has 8 gifts to wrap. Each gift requires 1.5 meters of ribbon. Unfortunately, she has no available ribbon so Tom let her use his 15-meter long ribbon. How many meters of ribbon will be left from Tom's ribbon?
The eight gifts require 1.5 meters / gift x 8 gifts = 12 meters of ribbon. So, Tom will be left with 15 meters - 12 meters = 3 meters of ribbon.
The answer is 3.