Answer:
1) they equation they solved was correct as they were able to do the correct operation to yield their answer.
2)this problem should be approached by subbing in the correct X values and y values into their rightful position, by doing this U will yrild the correct answer
Answer:
Assuming that the notation there is meant as:

then the answer would be 1/(9c²)
If the -2 is indeed just subtraction and not an exponent, then it is simply 3c - 2
Set up ratio problem
.2 oz butter / (1/15) lb jelly = x / 1 lb jelly
Then cross multiply the stuff opposite each other in the fractions... set it up as a multiplication problem
.2 × 1 = (1/15) × x
.2 = (1/15)x
Multiply both sides of equation by 15 to clear out the (1/15) fraction and get x
x = 3
Answer:
15/24 and 14/24
Step-by-step explanation:
24 being the total of girls over the total of students.
the remaining girls will be 14 over the total students