Harlan has 1200 u. s. dollars. if 1 canadian dollar equals 0.9391 u. s. dollars, about how many canadian dollars can harlan buy for his u. s. dollars?

Harlan can buy 1277.82 Canadian dollars

Step-by-step explanation:

Harlan has 1200 U.S. Dollars.

If 1 Canadian dollar = 0.9391 U.S. Dollars

We have to calculate how many Canadian dollars can Harlan buy for his US dollars.

So we have to simply divide to get the value of Canadian dollars.

1 Canadian dollar = 0.9391 U.S. dollars

1200 U.S. dollars = 1200 ÷ 0.9391 = 1277.819188 ≈ 1277.82 Canadian Dollars

Harlan can buy 1277.82 Canadian dollars

a_n = a_1 + (n - 1)d

the first term is 6.

the common difference d = ?

when you find d, replace n with 7 and d with the common difference to find your answer.