What are 3 ways that have the same value as 75% of 96

Mathematics

1 answer:

stealth61 [152]4 years ago

4 0

Step-by-step explanation:

The three ways by which we can find the 75% of 96 -

1 ) Simply multiply and extract 75% of 96 as follows -

= 75/100 * 96

= 72

2) We can write 75% as 3/4 of the total so if we multiply 3/4 with 96 we

will get 75% of 96

= 3/4 * 96

= 72

3) We can also get 75% of 96 by taking out the 1/4 rd of 96 and subtracting

from 96 we get 75% of 96

= 96 - (1/4 * 96)

= 96 - 24

= 72

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It costs $60 per hour to rent a jet ski. The total cost of a jet ski rental

Anastasy [175]

Answer:

y = 60x + 20

Step-by-step explanation:

The number of hours that we ski is a variable cost where each hour costs $60. On top of that, we have a fixed cost of $20 which stays the same no matter how long we ski.

So we can use an equation to find the totla cost C given the number of hours t as follows:

C(t) = 60t + 20

We can use this equation to find the cost of a skiing session by plugging in some value for t. For example, if we ski for 3 hours:

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7 0

4 years ago

How many pounds of a 15% copper alloy must be mixed with 700lb of a 30% copper alloy to maybe a 25.5% copper alloy

lisov135 [29]

Answer:

$300\; \rm lb$ .

Step-by-step explanation:

Let $x$ represent the mass (in pounds) of that $15\%$ copper alloy required, such that the final mixture would contain $25.5\%$ copper by mass.

Consider: if $x$ pounds of that $15\%$ copper alloy is mixed with $700$ pounds that $30\%$ copper alloy, what would be the mass of copper in the mixture?

Mass of copper in $x$ pounds of that $15\%$ copper alloy: $(0.15\, x)\; \rm lb$ .
Mass of copper in $700$ pounds of that $30\%$ copper alloy: $700 \times 0.30 = 210\; \rm lb$ .