Jodys older brother is only three years less than twice jodys age. if the sum of their age is 30, then write an quation and solve for jodys brothers age

part a

in a city ice cream is mostly only bought when the temperature is very high as ice cream cools down our

so we can derive the conclusion that as the temperature increases the number of ice creams sold also increases

part b

y intercept is 5

slope is 2

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the answer is 40.

proof: