Why would you make one of the addends a ten number when solving an addition problem?

Askateboard ramp is in the shape of a right triangle what is the height of the ramp

Suppose that the price p, in dollars, and the number of sales, x, of a certain item follow the equation 4 p plus 4 x plus 2 pxequals56. suppose also that p and x are both functions of time, measured in days. find the rate at which x is changing when xequals2, pequals6, and startfraction dp over dt endfraction equals1.5.

Micheal is 4 times as old as brandon and is also 27 years older than brandon. how old is micheal