6. Use the table below to write an equation to represent the constant of proportionality.
# OF
TEXTBOOKS
TOTAL
SALES ($)
4
$64.00
7
$112.00
$144.00
9
13
$208.00
20
$320.00
Use formula y=kx

Solve with work adding cheese to a mcdonalds quarter pounder increases the fat content from 21g to 30g. what is the percent of change ?

Ashop has a sale that offers 20% off all prices. on the final day they reduce all the sale prices by 25% linz buys a ratio on the day. work out the overall percentage reduction on the price of the ratio

The function below is written in vertex form or intercept form. rewrite them in standard form and show your work. y = 5(x+3)^2-4