Alexander saves 30% of his allowance each week. He earns $12 each week. How much money will he save in 4 weeks?
2 answers:
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Answer:
Step-by-step explanation:
we know that
The algebraic expression of the phrase " The sum of square of c and d" is equal to adds the square of number c to the number d
The algebraic expression of the phrase " The sum of square of c and d increased by twice their product" is equal to