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The sum of abi and bens ages is 18 the diffference in their age is 4 years abi is older

write an equation for the sum of their ages

write an equation for the difference in their ages

2 Answers

4 votes
Abi is 11
Ben is 7
So let’s say that n=11 and p=7
n+p=18 ???
User Nicholas TJ
by
5.9k points
6 votes
X = bens age
X + 4 = abi
Total = 18
2x + 4 = 18
Subtract 4 from both sides
2x = 14
Divide both sides by two
X = 7
User Hemanth Poluru
by
5.7k points