Mary and her brother john collect foreign coins. mary has 3 times the number of coins that john has. together they have 180 foreign coins. find how many coins mary has.

What is 14=9-x I am trying to solve it

What is the first step when applying properties of operations to divide 73.85 by 4.1? A. Multiply the divisor and dividend by 10. B. Multiply the divisor and dividend by 100. C. Divide the divisor and dividend by 10. D.

Rachel can buy 18 eggs for $1.49 or 12 eggs for $1.09. Which is the better buy?

Solve for r. 7r+7=2r-3

What are the solution (s) to the quadratic equation x^2 - 25 = 0? A - x = 5 and x = - 5 B - x = 25 and x = - 25 C - x = 125 and x = - 125 D - no real solution

If granola costs $2.30 per pound, how much does 0.7 pound of granola cost? $1.61 $2.37 $3.00 $3.29 I think its A

1/15 : 10 Enter your answer in the box as a fraction in simplest form.

What is 8 3/8 as a decimal

Solve the inequality. X-7<-12

You put $16,000 in a saving sccount with 3% interest. How much money will be in your savings account after the 6th month? How much money did you make in in interest?