3 years ago

3x+12-15=10, 3x-3=10 what property is that

Mathematics

1 answer:

Softa [21]3 years ago

8 0

Answer: subtraction property equality.

Step-by-step explanation:

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Step-by-step explanation:

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3 years ago

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2 years ago

Adam and his dad share the cost of the meal in the ratio of 2:3. Adam’s dad pays £52.20. What is the total cost of the meal

Ne4ueva [31]

We have to calculate the total cost of the meal. We know that Adam ( A ) and his dad ( D ) share the cost of the meal in the ratio 2 : 3 and that Adam`s dad pays 52.20 Pounds. So A : D = 2 : 3; A : 52.20 = 2 : 3. Using the cross products, A * 3 = 2 * 52.20; A * 3 = 104.40; A = 104.40 : 3; A = 34.80 Pounds. Finally, A + D = 34.80 + 52.20 = 87.00. Answer: The total cost of the meal is 87 Pounds<span>. </span>

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