book
Maths Puzzle
Numerical Ability
What is a good way to change
3X+15=30
into a good word problem?
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book Other Question
3a+6b=-15
a=-2b-5
Use the substitution method to solve the system. If its dependant or inconsistant, so indicate.
Suki has made an investment of $2500 at an annual simple interest rate of 7%. How much money does she have invested at an annual simple interest rate of 11% if the total interest e