Answer: 21
Step-by-step explanation: All he did was took the amount of red and gave it a ratio of 7:1 meaning that he will increase the amount of red and make it 21 because the number 8 increased by 3 so 7 must increase by 3 as well.
The value of x is: Solve for x by simplifying both sides of the equation, then isolating the variable.
x=−9/4
Answer:
7(-6)=-42
After 7 weeks the price will be reduced by 7 times $6
Thus the price will be $42
Answer is B.
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