Cuatro palas excavadoras hacen un trabajo de movimiento de tierras en 14 días. ¿Cuánto se tardaría en hacer ese mismo trabajo si se dispusiera de 7 palas excavadoras?
con operacion por fa

You deposit $5000 each year into an account earning 3% interest compounded annually. how much will you have in the account in 30 years?

Ten members of balin's soccer team ran warm ups for practice. each member ran the same distance. their combined distance was 5/6 of a mile. to find the distance that each member ran, balin wrote the expression below.

Idon't get undoing if its pass adding and subtracting so can someone ? x-2 over 5 = 18