Question

(a) buying a 4 kilogram (kg) bag of coffee beans last week cost debra $26.40. each kilogram cost the same. this week, debra can buy a 7 kilogram bag of coffee beans at the same cost for each kilogram as last week.
show the 7 kilogram bag on the diagram below.
cost for each kilogram: $ □
(b) how much would it cost her to buy a 7 kilogram bag of coffee beans?

Explanation:

Step1: Find cost per kg

$\frac{26.40}{4} = 6.60$

Step2: Calculate 7kg cost

$6.60 \times 7 = 46.20$

Diagram for (a):

To represent 7 kg, draw 7 identical 1-kg boxes (each labeled $\$6.60$), grouped to show 7 total kg, with the total labeled "7 kg" and each individual box marked $\$6.60$.

Answer:

(a) Cost for each kilogram: $\$6.60$
(b) $\$46.20$