01-11-2018
Mathematics

contestada

An observational study showed that the average four-year-old could assemble a toy in 15 seconds. The average five-year-old could assemble the same toy 40 percent faster. How many seconds did it take the average five-year-old to assemble the toy?

Respuesta :

fletchasmith fletchasmith

01-11-2018

you find 40 percent of fifteen, and subtract it. so the correct answer is 9 seconds

Answer Link

Otras preguntas

Which of these professionals most directly uses geometry? a. criminal lawyer b. language interpreter c. opera singer d. medical imaging specialist

the house of representative has special power

Small bands of Patriots attacked British forces using the hit-and-run technique of?

The agricultural revolution led to the need for organized a. greenhouse gas reform b. Technological reform c. Government d. Pest Control

Carry out the following multiplication (1.38 x 10^2)(2.58 x 10^-7)

the invisible line at 0 degrees latitude is called

Which of these elements has four valence electrons

the relationship among mass force and acceleration is explained by

Lincoln’s goals for Reconstruction, as discussed in his second inaugural address, were to A.bring the country together but to punish the South. B.unite the c

3.28 times what give you 9.84