Problems
Jack is j years old. His brother is three times as old as him. What will his brother's age be in 4 years' time in terms of j?
His brother will be 3j + 4 years old in four years.
Simplify 5a - 2a + 1
3a + 1
17 added to n
t + 5 = 21
t = 16
Miya has 4 times as many cards as Ella. If Ella has n cards, express the total number of cards they have in terms of n.
Simplify 7a + 12 - 4a + 1
3a + 13
n divided by 6
n ÷ 6
I think of a number, multiply it by 3 and then add 5. My answer is 23. What was my original number?
My number was 6
There are 24k apples in a box. Peter used 1/3 (one third) of them to make apple pies. Express the number of apples left in terms of k.
Peter used 8k apples, so he has 16k left.
9a + 20 + 3a - a + 2
11a + 22
multiply n by 3, then add 7
3n + 7
I think of a number, multiply it by 4 and then subtract 7. My answer is 13. What was my original number?
My number was 5.
Five times a number increased by seven is equal to forty-seven. what is the number?
x=8
n + n + n + n + n + n
6n
How would you write this expression in words: 33 - n
thirty-three subtract n
2b + 3 = 17
b = 7