Question

cost for each kilogram: $ 4.50
9 kg
1 kg $4.50
1 kg $4.50
1 kg $4.50
1 kg $4.50
1 kg $4.50
1 kg $4.50
1 kg $4.50
1 kg $4.50
1 kg $4.50
$40.50
(b) how much would it cost him to buy a 9 kilogram bag of coffee beans?
$

Explanation:

Step1: Identify given values

Cost per kg: $\$4.50$, Total kg: $9$

Step2: Calculate total cost

Multiply cost per kg by total kg:
$\$4.50 \times 9 = \$40.50$

Answer:

$\$40.50$