If a microwave oven takes 12 seconds to cook 1 sandwich, 4 additional seconds to cook 2 sandwiches, and 1 additional second for every sandwich after that, how long does it take to cook 5 sandwiches at once?

Jenna has 8 pairs of jeans. Three of them are blue. Jenna bought two more pairs of jeans. If both of them are blue, what percentage of her jeans is blue now? If both of them are not blue, what percentage of her jeans is blue now?

874.6 divided by 0.4

If 1/5x = 21/5 then what is x

A taxi driver earns $9 per 1 hour work. if he works 10 hours a day and in 1 hour he uses 2-liters petrol with price $1 for 1-liter. how much money does he earn in one day? a. 90 b. 88 c. 70 d. 60

A small math department has 6 faculty members and 30 students. It can send 6 people to a national convention and they would like to send 4 students and 2 faculty members.

3X squared equals 108

1+1+1+1+1+1+1+1+1+1+1x0+1=

William's salary is £24 000 His salary increases by 4%. Work out William's new salary. £ ...

What is the lenth of 10

What is factor give 63