exam
Maths Puzzle
Numerical Ability
Bologna sells for $1.50 a pound. Salami sells for $2.50 a pound. How much of each should be used to have ten pounds of a mixture of both selling for $1.75 a pound?
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exam Other Question
What is the linear equation that created this table:
x=-3,-2,-1,0,1, 2, 3
y= 0, 2, 4,6,8,10,12
I am having trouble determining the formula/s to answer these problems.
Thank you
3(1+d)-5=3d-2