20) Set up an equation and solve the application: Two oil pumps can fill a tank in 10 hours. The new pump
is more efficient and takes 90% of the time of the old
pump to fill the tank on its own. How long will take each
pump to fill the tank on their own?

70

step-by-step explanation:

2*5=10

4*15=60

60+10=

70

“ a line segment that has the endpoints on the circle and passes through the midpoint is called the diameter. the diameter is twice the size of the radius. a line segment that has its endpoints on the circular border but does not pass through the midpoint is called a chord. a circle is the same as 360 small circle up the number 0 . i hope this .

i think the answer is c sorry if it's wrong

might be the correct answer will be question number 2