Questions and answers by

Alex Shi

Questions (4)

Ann replaces letters in the calculation KCB + RA - TOO with some of the numbers from 1 to 9 and then calculates the result. The
1. 3 answers
2. 1,294 views
One year ago Liz was three times as old as her brother Jack. In two years she’ll be only twice as old as Jack. How old are Liz
1. 1 answer
2. 687 views
Sam is 2 years old, and his mother is 28 years old. In how many years will Sam's mother be 3 times as old as he will be?
1. 1 answer
2. 620 views
Victor left his house riding his bike at a speed of 18 km/hr. When Victor was 1/2 km from his house, his brother Alex left the
1. 3 answers
2. 2,456 views

Jack walked from school to his house at a rate of 240 ft/min. His sister Jill left school 2 minutes after Jack, walking home at a rate of 360 ft/min. How long after Jack leaves school does Jill catch up to him?

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