Question

Mark had $19.00 to spend on stamp packets. They sell for $1.78 each. How many packets can he buy?

Answer 1

just do 19.00/1.78

That equals 10.67

so you can by 10 stamps.

Answer 2

`10\ stamp\ packets`

Explanation:

Let

x-----> the number of packets that mark can buy

we know that

`1.78x\leq 19` -----> inequality that represent the situation

Solve for x

Divide by
`1.78` both sides

`x\leq 19/1.78`

`x\leq 10.67\ stamp\ packets`