Lea made two candles in the shape of right
rectangular prisms. The first candle is 15 cm
high, 8 cm long, and 8 cm wide. The second
candle is 5 cm higher but has the same length
and width. How much additional wax was
needed to make the taller candle?

A

320 cm3

B

640 cm3

C

960 cm3

D

1280 cm3

Question

Lea made two candles in the shape of right
rectangular prisms. The first candle is 15 cm
high, 8 cm long, and 8 cm wide. The second
candle is 5 cm higher but has the same length
and width. How much additional wax was
needed to make the taller candle?

A

320 cm3

B

640 cm3

C

960 cm3

D

1280 cm3

anonymous · Answer

we need to find the volume of two prisons....use formula (area of base*height) divided my 3

anonymous · Answer

find the area of both prism and find difference between them

anonymous · Answer

still am not getting it..

anonymous · Answer

don't worry will help you....solving

anonymous · Answer

ok :)

anonymous · Answer

that's 320

anonymous · Answer

oh thanks! what did you do to get it..?

anonymous · Answer

i missed volume of rectangular prism is (lenght * bredth *height)

anonymous · Answer

find the volume of each prism and find difference between them

anonymous · Answer

you will get volume of wax

anonymous · Answer

Yup 320 cubic cm...It is best to visualize the problem..