one pump can drain a pool in 12 minutes. when a second pump is also used, the pool only takes 5 minutes to drain. how long would it take the second pump to drain the pool if it were the only pump in use?

I am a factor of 50 and a multiple of 5. i am a 2-digit number greater than 10 but less than 40. what number am i?

Solve the equations in two different ways:6p=0.6 (5p+15)

Ajutați mă vă rog la asta La o sărbătoare, fiecare copil dintr-o grădiniță a primit o carte de 32 lei și o ciocolată de 8 lei. Costul total al cadourilor a fost de 2000 lei. Câți copii au primit cadouri?

Y = 2x + 3 y = 3x + 2 x es Consider the equations: y = 2x + 3 and y = 3x + 2. Solve the system of equations by completing the table of values to find an ordered pair that satisfies both equations. A (0, 3) B) (1,5) C) (2,7) D) (3,9)

Solve the quadratic equation graphically using at least two different approaches. When necessary, give your solutions to the nearest hundredth.

A zoo has 35 exhibits 4/7 of them are mammals how many mammal exhibits are there

He price of apples went from $0.30 per lb to $0.90 per lb in three years. Find the rate of change of the price of apples. A) $0.10 per pound per year B) $0.20 per pound per year C) $0.30 per pound per year Eliminate D) $0.40 per pound per year

How are the locations on a coordinate grid different for the ordered pairs (7,0) (0,7)

Write an equivalent expression for 3 (1-7)

Factor the expression completely. -6.75 + 2.25x a - 2.25 (3 - x) b - 2.25 (4.5 + x) c - 0.25 (27 + 9x) -d 0.25 (-6.5 - 2x)