What is the value of x in the equation 5.5x = 17.6? plz hurry i have a test

The sum of the product of 4 and x and the product of 7 and y is 61. the sum of the product of 12 and x and the product of 21 and y is 61. what are the values of x and y?

Seattle, washington is known for being rainy. one day last month, 8 inches of rain fell in 1 1/2 hours. what us the rate of the rainfall expressed in ft per plzzz write a proportion i will give you 100 points

Car a and car b were in a race .the driver of car b claimed that his car was twice as fast as car a