Sam has been collecting pennies all year long. he has collected 700 pennies. his younger brother started collecting pennies also. he has 1/10 as many pennies as sam. how many pennies has sam’s younger brother collected?

Donald has x twenty-dollar bills and 11 ten-dollar bill. how much money does donald have? write your answer as an expression.

Plzzz answer both questions and i will give you 100 points

If you invest 1,500 today in a bank that gives you a 5 percent annual interest rate, which of these items can you buy in two years? a. electronics worth $1,650 b.fitness equipment worth $1,700 c.a holiday package worth $2,000