Question

resources - 8th grade > find the rule: word problems y5h
chef beth does catering for parties and events. she needs to make enough trays of food to serve everyone. the table below shows how many people can be served, p, based on the number of trays of food she makes, t.
input (t) 1 2 3 4
output (p) 9 18 27 36
write an equation that describes the relationship between t and p.
p =
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work it out
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Explanation:

Step1: Identify ratio of p to t

For each pair: $\frac{9}{1}=9$, $\frac{18}{2}=9$, $\frac{27}{3}=9$, $\frac{36}{4}=9$

Step2: Define relationship

Output $p$ equals 9 times input $t$.

Answer:

$p=9t$