# Word Problem Wednesday: After School

By Mathnasium | June 17, 2020

# Solutions

Great work on today’s word problem! Are you ready to check your answer? Look below to see if your solution matches ours.

Lower Elementary:
Solution: From 3:15 pm to 3:23 pm is 23 – 15 = 8 minutes. Since half of the trip from school to Layla’s house takes 8 minutes, that means that the whole trip takes that amount of time doubled. So, the whole trip from school to Layla’s house is 8 + 8 = 16 minutes.

Upper Elementary:
Solution: Each week, Alice gets \$20.00 and spends \$15.00. So, she can save \$20.00 – \$15.00 = \$5.00 per week. She needs \$45.00 to buy the video game, so she can save up that amount in \$45.00 ÷ \$5.00 per week = 9 weeks.

Middle School:
Answer: 3 possibilities: 2244, 2448, and 4488
Solution: Since all the digits have to be even, only 2s, 4s, and 8s can appear in the address number — 6 cannot appear in the address because halving or doubling it would cause an odd digit. So, 22, 24, and 44 can all can be doubled to make a number whose digits are in the set of usable digits. That means 2244, 2448, and 4488 are the possible numbers.

Algebra and Up: