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sadieanngraham15
11.11.2021 •
Mathematics
Martina spends $15 each time she travels the toll roads. She started the month with $225 in her toll road account. The amount, A (in dollars), that she has left in the account after trips on the toll roads is given by the following function.
A(t)=225-15t
Answer the following questions.
a. How many trips on the toll roads can Martina take until her account is empty?
b. How much money does she have left in the account after 8 trips on the toll roads?
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Ответ:
$70 is what he would have left. Since each trip is $14 you would multiply that by the amount of times he went which was 11. 14x11 is $154. But you need what he has left so you take his total amount $224-$154 and get $70.
Part b.) 16 times. He has $224 total. You want to find out how many times he can go on the tool roads. We know the toll roads cost $14 each time. So you do $224/14 and get an even amount of 16. He would be able to use it 16 times before he have no money left.
Step-by-step explanation:
Ответ:
The answer is A
Step-by-step explanation: