On a certain day, the exchange rate was 60 u. s. dollars for 50 euro. how many u. s. dollars were 70 euro worth that day?

Will mark brainliest if you answer ! the taco shop sold 198 lunches friday. this number is 3 more than 3 times the number they sold monday. let n represent the number of lunches sold monday. which equation shows an equality between two different ways of expressing the number of lunches sold on friday? a. n – 3 = 198 b. 3n – 3 = 198 c. 3n + 3 = 198 d. n + 3 = 198

Haley buys 9 pounds of apples for $3. how many pounds of apples can she buy for $1?

What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?