Complete the pattern of stars: 5,10,15...,....,...,35,...,...,50
If there are 5 rockets and each rocket can hold 6 astronauts. Then how many astronauts can go all together?
An astronaut needs 5 oxygen tanks per day. If the astronaut is gone for 10 days, then how many oxygen tanks does the astronaut need?
Complete the pattern of rockets: 10,20,...,...,...,60,...,...,...,100
If there are 10 fuel tanks needed for each rocket and there are 9 rockets. Then how many fuel tanks are needed?
If there are 60 oxygen masks on a rocket and they are separated into groups of 5 for the astronauts. Then how many groups of astronauts can safely go on the rocket?