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stepan [7]
3 years ago
7

The cost of 25 litres of petrol is Rs.1400.Find the cost of 30 litres of petrol.​

Mathematics
1 answer:
Leona [35]3 years ago
7 0
Rs.1680

Liter. Rs
————-|————-
25 | 1400
:5( | ):5
5 | 280
x6( | )x6
30 | 1680
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PLZ PLZ HELP I DONT UNDER STAND THIS!!
Marat540 [252]

Answer:

See below.

Step-by-step explanation:

See the attached chart that shows all outcomes for two dice.

There are 36 possible outcomes, all equally likely (if the dice are fair!).

The probability of getting a sum of 2 is  1/36 (only one way to get 2: both dice show 1).

The probability of getting a sum of 3 is  2/36 = 1/18.

The probability of getting a sum of 7 is 6/36 = 1/6 (the most likely sum!)

(Notice how all the sum = 7 outcomes like on a diagonal in the chart?)

The probability of getting a sum of 11 is  2/36 = 1/18.

The probability of getting a sum of 12 is 1/36.

Download pdf
<span class="sg-text sg-text--link sg-text--bold sg-text--link-disabled sg-text--blue-dark"> pdf </span>
57dbcb0c07c407cacb9fe9470728d86d.jpg
8 0
3 years ago
Sylvia earns $7 per hour at her after school job. After working one week, she received a paycheck for $91.
makvit [3.9K]

Answer:

a.) hours=13

b.) h\leq 15

c.) $$105

Step-by-step explanation:

a.) If she earns $7 'per' hour, this multiplication. After a week, we need to see how many hours she worked to earn $91, so this goes behind the equal sign. Let <em>h</em> be the unknown number of hours:

7h=91

Solve for h. Divide both sides by 7:

\frac{7h}{7}=\frac{91}{7}\\\\h=13

Sylvia worked 13 hours at a rate of $7 an hour.

b.) She can work at most 15 hours a week. At 'most' can also mean less than or equal to. Let <em>h</em> be hours:

h\leq 15

Sylvia can work less than or equal to 15 hours per week.

c.) If Sylvia can work 15 hours, plug in this value for <em>h</em> into an equation when she earns $7 per hour. Let the product of the hours and money equal <em>t</em> for total:

t=7(15)\\t=105

The most money Sylvia can earn in a week is $105.

<em>Finito.</em>

6 0
3 years ago
How much would a house cost today if it cost $100,000 2 years ago before a 4% increase each year in housing prices?
ad-work [718]

Answer:

100000 × 1.04 × 1.04

Step-by-step explanation:

108160

8 0
3 years ago
Type a digit that makes this statement true.<br> 2,222,6 4 is divisible by 8.<br> Submit
Ganezh [65]

Answer:

A digit 2

Step-by-step explanation:

628/8 = 78
thus making 628 divisible by 8

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