A coffee shop sold 2,880 iced coffees in July. In all, the coffee shop sold
1 answer:
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Answer:
a. 550-8t
b. 454 dollars
Step-by-step explanation:
a. Calling t the number of weeks, the balance in the first account is
while the balance in the second account is
So, the total amount in both accounts is the sum of the balances of the two accounts:
b. To find the total amount in both accounts after 12 weeks, we just need to substitute t=12 into the total balance, and we find:
Answer:
x = 9
Step-by-step explanation:
The triangle is split into two similar triangles. They have the same shape but not the same size. To solve, write a proportion.
Cross multiply to solve for x.
9(3x+36) = 81(3x-20)
27x + 324 = 243x -1,620
1,944 = 216x
9 = x