Amber bought three 8 pound bags of dog food at $2.25 per pound, two 4 pound bags of cat food at $1.75 per pound, and three 1/4 pound bags of fish food at $6.98 per pound. Approximately how much did Amber spend on pet food?

Step-by-step explanation:

Given

--- Dog Food

----- Cat Food

-------- Fish Food

Required

Determine the amount spent

For Dog Food

Amber bought 8lb.

So, that is:

He bought 3 of those;

For Cat Food

Amber bought 4lb

So, that is:

He bought 2 of those;

For Fish Food

Amber bought 1/4lb

So, that is:

He bought 3 of those;

Total amount spent  is:

(approximated)

-7

step-by-step explanation:

x^2 + 18x + 74 = (x + 9)^2 - 81 + 74

= (x + 9)^2 - 7.

so q = -7.