Sarah sells fruit trays at a salad shop. Last week, she sold 450 fruit trays for $8 per tray. In previous weeks, she found that

Question

3 years ago

10

Sarah sells fruit trays at a salad shop. Last week, she sold 450 fruit trays for $8 per tray. In previous weeks, she found that

for every $0.85 increase in the price, she sold 15 fewer fruit trays. Which equation can be used to find Sarah's weekly sales income in dollars, y, after x price increases of $0.85?

Mathematics

2 answers:

Alik [6] · Answer 1 · 2021-12-01T20:31:39+03:00

Alik [6]3 years ago

8 0

Answer:

y=-12.75x^2+262.5x+3,600

Step-by-step explanation:

that is the right answer for plato.

Mamont248 [21] · Answer 2 · 2021-12-01T19:25:53+03:00

Mamont248 [21]3 years ago

4 0

Sarah's income = Number of trays × Rate per tray

y = 450 × 8

If there is an increase of 0.85 in price,

New price = 8 + 0.85

For x number of increases,

new price = 8 + 0.85x.

Number of trays reduced = 450 - 15x.

So, Sarah's income in this case is y = (450 - 15x) (8 + 0.85x).