Answer:
Carl has to sell at least
cookies.

Step-by-step explanation:
Carl gets
by selling 1 chocolate bar.
Earning from chocolate bars:

Earning From cookies:


Carl wants to raise at least 

Question:
A customer buys bouquets of tulips and bouquets of roses for $40.25. The bouquet contained 17 tulips and cost $18.25. What is the price of a bouquet of roses?
Answer:

Step-by-step explanation:
Given


Required
The cost of a bouquet of roses
Since the customer bought a bouquet each, the formula to use is:

Make Rose the subject



<em>A bouquet of rose costs $22.00</em>
Answer:
10 bags for $5.49
Step-by-step explanation:
4 bags for $2.39 = 1 bag for $0.5975
10 bags for $5.49 = 1 bag for $0.549
Answer:
Catron's error is
"She did not follow order of operations"
Step-by-step explanation:
Catron evaluates the expression (negative 9) (2 and two-fifths)
That expression can be written as below

Catron's error is
"She did not follow order of operations"
The corrected steps are
Step1: Given expression is 
Step2: Convert mixed fraction into improper fraction
Step3: Multiplying the terms

Therefore solution 
150 - 36 = 114 os remaining;
114/150 = 0,76 (as a decimal) = 76% (as a percentage);