exam Maths Puzzle Numerical Ability

Simplify by combining like terms

2 sqrt (5x) + 5 sqrt (5x) - sqrt (5x)

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exam Other Question

Need to set in a equation form The formula t=m+0.06m gives the total cost t for a meal that has a menu price m dollars and has a 6% tax and 15% tip. Use the formula to find the total cost for meal with a menu price of $14.20.