3 years ago

Jake bought a mountain bike on sale. He saved $72 on the bike,

Mathematics

1 answer:

scoundrel [369]3 years ago

6 0

15%. 480-72=408
480x15%= 72

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Ill mark brainlist plsshelp

Mars2501 [29]

Multiply both sides by 30
30(15/18) = y
we then multiply 30*15 = 450
450/18 = y
we then get
y = 25

5 0

3 years ago

An ancient Chinese candle clock tells the amount of time that has passed by the amount of wax that has been melted off the candl

maxonik [38]

Answer:

$Time = 560\ mins$

Step-by-step explanation:

Given

$Candles = 2$ --- candles melted

$Divisions = 12$

$Time = 4\ hrs$ --- time to melt

Required

The time since the first was lit

If 1 candle melts in 4 hours, 2 candles will melt in 8 hours.

i.e.

$x = Candles * Time$

$x = 2 * 4hrs$

$x = 8hrs$

For the 3rd candle that has melted, 4 inches

First, calculate the fraction that melt

$Fraction = \frac{Melt}{Division}$

$Fraction = \frac{4}{12}$

$Fraction = \frac{1}{3}$

The time to melt is:

$y = Fraction * Time$

$y= 4 * \frac{1}{3}$

$y= \frac{4}{3}hrs$

So, the required time is:

$Time = x + y$

$Time = 8hrs + \frac{4}{3}hrs$

Convert to minutes

$Time = 8*60mins + \frac{4}{3}*60mins$

$Time = 480mins + 80mins$

$Time = 560\ mins$

4 0

3 years ago

A back contains 120 marbles some are red and the rest are black They are 19 red marbles for every black marble How many red marb

egoroff_w [7]

Answer:

6.3 ?

Step-by-step explanation:

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3 years ago

Plz help this is all the points i have i am still on this question roght now plz what is the answer

madreJ [45]

Answer:

I think the answer is 109.752 ♡

Step-by-step explanation:

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3 years ago

4/16 Being Reduced Is ?

mamaluj [8]

The answer is 1/4 because all you have to really do is simplify

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3 years ago