You should find that your system doesn't have solutions. This is also confirmed by the fact that the determinant of the matrix of the coefficient of the variables x, y and z is equal to zero.
A:b= 5:8 and b:c=6:25 Find, in its simplest form, the ratio a:b:c
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So firstly, let's figure out the expression for a singular goody bag. Since there's 2 of each item, a single goody bag is going to be
Now since we have 7 friends who are all getting 1 goody bag, multiply the cost of the goody bag by 7, and our expression is . Now we can solve it from there.
Firstly, solve the multiplication inside the parentheses:
Now add up what's inside the parentheses:
Lastly, multiply and <u>your answer will be $56.56</u>