## Friday, December 11, 2009

### I destroyed the aliens .

when i went to the playground to play , i saw one alien . he said that he will destroy the earth. to save the earth you have to solve 3 math questions.
the first question was : determine the unit rate .
A) three rolls for 99 c .
Answer : 1 roll for 33 c .

the next question : B) seven identical objects have a mass of 14 kg .

answer : 1 object / 2kg
.
the alien said " wow , you have all of the answers right ! on to the next question "

question :
fresh pickerel is advertised in a local market.
A) how much will 6kg pickerel cost ?

answer: 6 pickerel for \$ 52.80

B) use a proportion to find the cost of 1600 g of pickerel.
answer : 16 pickerels for \$140.80
the alien said " k , 1 more question "

question : A gardener takes a half hour to mow and weed a lawn that measures 20m by 15m. He charges \$25 per hour. How much would the gardener receive for a lawn that measures 40m by 30m?

the alien said " WOW , you have all the answers right ! , now I'm not going to destroy the earth (: "

I said " ooh thanks ! "

THE END .