Question

(a) buying a 5 kilogram (kg) bag of coffee beans last week cost hong $22.50. each kilogram cost the same. this week, hong can buy a 9 kilogram bag of coffee beans at the same cost for each kilogram as last week.
show the 9 kilogram bag on the diagram below.
cost for each kilogram: $
2 kg
1 kg 1 kg
$ $

Explanation:

Step1: Calculate per kg cost

$\frac{22.50}{5} = 4.50$

Step2: Confirm 9kg total cost (optional check)

$9 \times 4.50 = 40.50$

Step3: Fill diagram for 9kg

Create 9 sections of 1kg each, label each with $\$4.50$, and group to show 9kg total.

Answer:

Cost for each kilogram: $\$4.50$

For the diagram: Draw 9 equal 1 kg boxes (or 4 pairs of 1 kg boxes plus 1 single 1 kg box) to represent 9 kg total. Label each 1 kg box with $\$4.50$, so the total visual shows 9 units of 1 kg, each with the $\$4.50$ cost.