Brett can plow out all the driveways on his street with his new four-wheel-drive truck in 2 hours. Using a snow blade on a lawn tractor, his neighbor can plow out the same number of driveways in 6 hours. How long would it take them to do the work together? hours (Type an integer or a decimal.)

4 more than -2

Bir depoda 120 It su vardır. Depodaki suyun \( \frac{7}{15} \) ini kullandıktan sonra içinde kalan suyun \( \frac{5}{16} \) sI kadar daha su ekleniyor. Son durumda bu depoda kaç it su vardır?

10. Halla el MCM Y MCD. \( 200-400-800 \)

Encuentren la ley de formación completen los números que faltan: a) \( 7,8,10,13,17 \). b) \( 15,16,12,13,9 \) c) \( \frac{2}{5}, \frac{4}{5}, \frac{8}{5} \)

how that the product of 12 and 20 is equal to the product of their H.C.F and \( L \)-C.M.