book
Maths Puzzle
Numerical Ability
What is the sum of 55 and -8?
Read Solution (Total 0)
book Other Question
Would someone please help me with this?:
A grocer needs to mix cashews worth $6 per lb with peanuts worth $2 per lb to obtain 10 lbs of a mixture worth $3 per lb. How many lbs of
Radioactive element R DECAYS EXPONENTIALLY AT A RATE OF #5 PER YEAR. iF WE BEGIN WITH 5 GRAMS OF R., HOW LONG ( TO THE NEAREST TENTH OF A YEAR) WILL IT TAKE FOR ONLY 3 GRA