[Question]Kate's hair is half as long as Emily's hair. Emily’s hair is 6 inches longer than Logan's hair. If Logan hair is 20 inches, how many inches is Kate’s hair?
[Answer]Emily’s hair is 20 - 6 = 14 inches long. Kate's hair 14 / 2 = 7 inches long. The answer is 7.

[Question]Thirty-six marbles are divided between Mario and Manny in the ratio 4:5. If Manny decided to give 2 marbles to his brother, how many marbles does Manny have now?
[Answer]The marbles are divided into 4 + 5 = 9 parts. Each part consists 36 / 9 = 4 marbles. So Manny had 5 parts x 4 = 20 marbles. After giving 2 marbles to his brother, he now has 20 - 2 = 18 marbles left. The answer is 18.

[Question]The square footage of the two bedrooms in the apartment that Jenny and Martha share totals 300 square feet. If Jenny's bedroom is 60 square feet larger than Martha's, how large, in square feet, is Martha's bedroom?
[Answer]Let M be the number of square feet in Matha's bedroom. Jenny's bedroom is M + 60 square feet. M + M + 60 = 300. 2M + 60 = 300. 2M = 240. M = 120. Martha's bedroom is 120 square feet. The answer is 120.

[Question]Gemma ordered four pizzas at $10 each, and she gave a $5 tip to the delivery person. How much change did she get back if she gives one fifty-dollar bill?
[Answer]
The cost of the four pizzas is 4 x $10 = $40. The total cost, including the tip, is $40 + $5 = $45. Therefore, Gemma gets a change of $50 - $45 = $5. The answer is 5.