Saturday
December 7, 2013

# Posts by jo

Total # Posts: 354

Maths P5
Daniel, Susan and Rick bought some cookies to sell. The cookies were sold at 6 for \$2. Daniel sold 1/4 of the cookies. Susan sold 2/7 as many cookies as Rick. Daniel and Susan sold a total of 120 cookies. a)How many cookies did they sell altogether? b)How much did they collect...

maths
there are 15 guppies, 14 angelfish and 5 goldfish in a tank. how many guppies and goldfish must be added so that the ratio of guppies to angelfish to goldfish is 9:7:5

Maths
60% of the people on a bus are male. After 1/3 of the males alighted from the bus, what percentage of the people left on the bus are females?

statics

chem
why is hexane known as hydrocarbon?

alegbra
what is 6y square -5y -2??

spanish
I need someone to edit a spanish article for me. I can just email it to you if you leave your email here. Thanks!

chemestry
A gas is contained in a metal cylinder with a piston, so that the volume of the cylinder can change. If the gas initially occupies volume of 664 ml at 471 mmHg, what will be the volume if the temperature is kept constant and the pressure is changed to 408 mmHg?

math
Please help! :) Garden measures 30x20 Border has a width of x (I've already solved the first part of my problem, in that the width is 3) Border needs to be covered to a depth of 3 inches. Pine bark costs \$29 per cubic yard. What will the material cost to lay the pine bark ...

math
Please help! :) Garden measures 30x20 Border has a width of x (I've already solved the first part of my problem, in that the width is 3) Border needs to be covered to a depth of 3 inches. Pine bark costs \$29 per cubic yard. What will the material cost to lay the pine bark ...

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