exam Maths Puzzle Numerical Ability

PROBLEM SOLVING: HOW TO SOLV???
A weekend at the Beach Bay Hotel in Florida incledues 2 nights and 4 meals at the cost of $194. A week cost $650 for 7 nights and 10 meals. Fiind the cost for one night then the cost of one meal.

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exam Other Question
Please explain a way to find the proportional growth factor and constant growth rate for a linear or exponential model, please use an example if needed. The sum of two numbers is 18. If the sum of their squares is a minimum find the numbers.