What is five tenths plus six one hundredths egual

An amphitheater with tiered rows is being constructed. The first row will have 24 seats and each row after that will have an additional 2 seats. If there will be a total of 15 rows, how many seats will there be in the last row?

A roller coaster can take 162 passenger around the track in 9 minutes. The roller coaster operates at a constant rate. How many passenger can the roller coaster take around the track per minute?

0.387 in a fraction in simplest form

If two similar cones have volumes of 320cm^3 and 1080cm^3, find the scale factor.

kip has a handbag shop. each bag cost $200 kip is having 20% off sale on each bag what's the cost of the bag now?

Bonnie earned scores of 90 and 82 on her math tests. what score must she earn on her third test to keep an average of 84 or better?

How do i factorise this equation a²+7a+12

A merchant marks his wares 40% more than the real price and allows 20% discount. His profit is? a) 20% b) 18% c) 16% d) 12% e) None of these

Graph this solution x < 4

Mamie saved 161.25. This is 25% of the amount she needs to save. How much money does Mamie need to save?