catering company uses a linear function to determine the total cost of parties. The following table shows the costs for dinner p
arties with varied numbers of guests. What is the cost to cater a dinner party with 90 guests?
2 answers:
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15 pigs and 40 sheep
10 cows is equivalent to 2 parts of the ratio, hence
= 5 ← 1 part of the ratio, hence
8 parts = 8 × 5 = 40 ← number of sheep
3 parts = 3 × 5 = 15 ← number of pigs