exam
Maths Puzzle
Numerical Ability
A man went to pay for his lunch and found that he had exactly $1.00 with 11 coins. He had 3 kinds of coins and no more than 5 of any one kind. What coins did he have?
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exam Other Question
Hi, I need help finding the domain and range for this piecewise defined function
.
f(x) = { x + 6,{{{ x <= -4 }}} }
......{ x + 10,{{{ -4<x<8 }}}
......{ 30, {{{ x >= 8 }}} }
4. Sarah left a 15% tip of $4.65 for a meal.
What was the cost of the meal before the tip?