How to solve for p=irt and solve for r

The sum of the digits is 11. The tens digit is one less than three times the ones digit. Find the original number]

Shawn drew a rectangle that was 2 units wide and 6 units long. draw a different rectangle that has the same perimeter but a different area.

The dry cleaning fee for 3 pairs of pants is $18. a. What is the constant of proportionality? b. How much will the dry cleaner charge for 11 pairs of pants?

The sum of 10 and a number divide by four is 17. find the number

Angelo ride his bike around a bike trail that was 1/4 of a mile long. he rode his bike around the trail 8 times. Angelo says he rode a total of 8/4 miles

Find the least common denominator of each fraction, show all of your work: 1/3 and 3/4

Sabrina has designed a rectangular painting that measures 65 feet in length and 30 feet in width. Alfred has also designed a rectangular painting, but it measures x feet shorter on each side. When x = 3, what is the area of Alfred's painting?

Miko's restaurant bill was $16. She used the expression 1.18 (16) to find the total cost, including an 18% tip. Which expression is equivalent to the amount Miko paid? (1+0.18) 16 (16+0.18) 16 16 + 1.18 1+0.18 (16)

There are 8 Apples and some bananas on the counter. Someone buys 3 apples. Now there are 4 more bananas than apples. How many bananas are there?

You sold the most for your school's fundraiser so you get to enter the cash vault. There are $1, $5,$10 and $20 bills. The probability of picking a $1 bill is 48%, a $5 bill is 26%, a $20 bill is 10%. What is the probability of picking a $10 bill?