You earn $6 a week for an allowance. Your brother earns 1.5 times this amount. How much does he earn?

1 Answer
Nov 5, 2016

Just another approach

The brother earns $9 a week.

Explanation:

Don't like decimals so lets get rid of them.

Think of #1.5# as half of 3. So write #1.5" as "3/2# giving:

#cancel(6)^3xx3/(cancel(2)^1) = 9 larr" in dollars"#