Which ratio is equivalet to the unit rate 30 miles/1 gallon how many unit rate transformed into the equivalent ratio

An alien has just landed from the planet, iksnimak. he would like to leam how to add two fractions when thedenominators are the same. write a paragraph that explains to our alien friend, in your own words, the detailsabout how to add the fractions, how to change the result to a mixed number, and how to reduce the fractionpart. use this problem as your example: the two fractions are 5/8 & 7/8

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

You receive 15% of the profit from a car wash how much money do you receive from a profit of 300