Answer:
Part A:
Part B:
and 
Step-by-step explanation:
Part A:
The inicial concentration of the lemonade is 50%, and the volume is 4 quarts, and we will add x quarts of a lemonade with a concentration of 100%, so the total volume will be y, and the concentration will be 0.7, so we have that:
Using the value of y from the first equation in the second one, we have:
Part B:
If he shoots a total of ten targets, we can write the equation:
Each stationary target is 2 points, and each moving target is 3 points, so if the total points is 23, we have:
If we subtract the second equation by two times the first one, we have:
⇒
Answer:
x^2 - 11x + 24
Step-by-step explanation:
Foil the equation
x^2 - 3x - 8x + 24
x^2 - 11x + 24
Answer:
15 mister of cloths are needed to make 15 m if 1 puchu is 1 miter
Answer:
Total length of string required in yards 
yards
Step-by-step explanation:
The length of the string attached with each balloon is equal to 
feet
In the party total number of balloon used is equal to 
balloons
The total length of the string required
Length of string used in one balloon * total number of balloons
feet
1 feet is equal to 13 yards
Total length of string required in yards 
yards
3⁴= 3×3×3×3= 81
3⁵= 3×3×3×3×3= 243
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