Leni's calculator weighs 7/12 pound. what is the weight of her calculator expressed as a decimal?

One positive number is 9 more than twice another. if their product is 95, find the numbers

You have 12 balloons to blow up for your birthday party. you blow up 1/3, and your friend blows up 5 of them. what fraction of the baloons still need blowing up

If rs 900 amounts to rs 1044 in 4 years, what sum will amount to 1368 in 3 1/2 years at the same rate