40% of the marbles in the bag are yellow. the rest are orange and green. the ratio of the number of orange to the number of green is 4:5. if there are 30 green Marbles, how many yellow marbles are there?

The value of my tens digit is 50 and the value of my ones digit is 4

X + y = - 9 x + 2y = - 25 What is the value of x?

CO Table A shows the Fahrenheit temperatures for select Celsius temperatures. Table B shows the Celsius temperatures for select Fahrenheit temperatures.

A car travels 284284 miles in the same time that a motorcycle travels 244244 miles. if the car's speed is 10 miles per hour more than the motorcycle's, find the speed of the car and the speed of the motorcycle.

Which simplified expression is the difference of (0.5n+0.3) - (0.75n-0.45) A. - 0.25n+0.15 B. 0.25n-0.15 C. - 0.25n+0.75 D. 0.25n-0.75

Jack took 4 tests. on two tests jack received a score of 86, on one he received a score of 81, and on one he received a score of 79. if jack wants an average of 83, what score will he need to receive on his fifth test

a 27 1/2 mile stretch of a road needs repaving a company bid on the repaving project saying they could repave 2 1/4 miles of road per how many weeks will the company take to repave the stretch a 12 1/3 b 12 2/9 c 15 1/2 d 13 1/2

What is p divided by 6

A store is having a sale to celebrate President's Day. Every item in the store is advertised as 1/5 off the original price. If an item is marked with a sale price of $140, what was its original price? Show your work

Ms. Jones's class has 26 students and they count by the same number. Each student says only one munber the last student to count says 1040 by what number are they counting