Question

Problem 2.1 Each week, the price of oranges at the farmer's market increases by 20%. Select all the equations that represent the relationship between the price of oranges last week, x, and the price of oranges this week, y.


`a.y = (1)/(5)x`

`b.y = (6)/(5)x`

`c.y = x + (1)/(5)x`

`d.y = x + 2x`

`e.y = 1.2x`
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Answer 1

b, c, and e.

Explanation:

All these equations show a price increase by 20%. What helps me is to plug a number in for x and y, then look to see if the price has risen 20% each time. Hope this helps!