Answer:
The correct answer is B.
Step-by-step explanation:
Multiply the first equation by -7, and the second equation by 8, and then add.
What you're trying to do is cancel them out so they have to opposite signs in order for them to cancel out. You can't do that if the signs are the same, which is what option A suggests doing. B is the correct answer.
Answer:
Step-by-step explanation:
Marty's earnings = 8.50 x 19.5 = 165.75
Answer:
722.25
Step-by-step explanation:
675x1.07
1 would be 675. Since there is a 7 percent sales tax, it would be 107 percent of the cost.
Answer:
That's what they started out with.
Step-by-step explanation:
In this case, the sponsors each had different starting amounts of money.