If john makes $20 an hour, how long will it take him to make $140?

120 hours

70 hours

7 hours

160 hours

6.3x+14 and 1.5x-6 answer in simplified form

Afactory adds 3 red drops and 2 blue drops of coloring to white paint to make each pint of purple paint. the factory will make 50 gallons of the purple paint.how many drops of red and blue coloring will the factory need in the 50 gallon batch of purple paint.

Valentina is subtracting from . she finds the lcd to be 15y2. what is valentina's next step?