Ella threw 5 grams of salt into 20 grams of water. she made grams of % salt solution. (include explanation for the points! )

How many days was the temperature above 90 degrees?

Acar travels at an average speed of 52 miles per hour. how long does it take to travel 299 miles

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.