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3 years ago

Q1.The cost of $16.50 for the music was reduction of 12% on the original cost.

1 answer:

7 0

Q1) £16.50 x 1.12 = £18.48
Q2)

2+9+1= 12
3h 33m = 213m
213/12 = 17.75
2x17.75 = 35.5 (music)
9x17.75 = 159.75 (films)
1x17.75 = 17.75 (books)

So it’s 159.75 minutes for the films to download

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3 years ago

Emily added 5 grams of water into 20 grams of 50% salt solution.

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Answers:
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The given info "20 grams of 50% salt solution" tells us that we have 10 grams of pure salt
Since 50% of 20 = 0.50*20 = 10
Put another way, we have 10 grams of pure salt out of 20 total so 10/20 = 0.50 = 50% salt solution

The 20 grams of solution updates to 25 grams of solution when we add the 5 grams of water
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3 years ago

It takes Bruce 12 h to complete his training. It takes Oliver approximately 2 days, 2 h, and 15 min to complete his training. Ho

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Answer:

Oliver completed his training work in 50.25 hours

Step-by-step explanation:

we know that

$1\ day= 24\ hours$

$1\ hour=60\ minutes$

we have

$2\ days, 2\ h,\ and\ 15\ min$

Convert days to hours

$2\ days=2(24)=48\ hours$

Convert minutes to hour

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$2\ days, 2\ h,\ and\ 15\ min=(48)+(2)+(0.25)=50.25\ h$

therefore

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3 years ago

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3 years ago

The product of 8/15, 6/5,1/3 is

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Product is the result of multiplying the numbers, so the product of 8/15, 6/5,1/3 means that we have to multiply the three numbers, like this:

$\frac{8}{15} * \frac{6}{5} * \frac{1}{3}$
let's make them into one fraction:

$\frac{8*6*1}{15*5*3}$

We can simplyfy:

 $\frac{8*6}{15*5*3}$


 $\frac{8*2}{15*5}$

and multiply:

 $\frac{16}{75}$

and this is the correct answer!

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3 years ago