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Ber [7]
3 years ago
8

Doris needs to purchase AT LEAST 40 party decorations. The Party Palace charges $0.50 per decorative streamer and $0.25 per ball

oon, including tax. Which combination of streamers and balloons can Doris purchase with $12.50 at the Party Palace?
a) 10 streamers and 31 balloons

b) 8 streamers and 33 balloons

c) 11 streamers and 28 balloons

d) 21 streamers and 19 balloons
Mathematics
1 answer:
Lana71 [14]3 years ago
4 0
Try going for B because do 8 times 0.50 and 0.25 times 33 = to 12.25
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Cant find the answer
dedylja [7]

Answer:

Carter family = 25 hours

Davis family = 31 hours

Step-by-step explanation:

Let's say the number of hours the Carter family used their sprinkler is x and the number of hours the Davis family used their sprinkler for is y.

So combined:

x + y = 45 hours

and we are also told that:

40x + 15y = 1300 L

So we can do simultaneous equations to solve the problem.

With some rearranging, we can figure out that:

y= 45 - x

and by substituting that into the second equation:

40x + 15 (45 -x) = 40x + 675 - 15x = 1300L

25x = 1300 - 675

25x = 625

x = 25 = hours that the Carter family used their sprinkler

and we can substitute that back into the original equation to find how many hours the Davis family used their sprinkler so:

25 + y = 56

y = 31

The Davis family used their sprinkler for 31 hours whilst the Carter family used their sprinkler for 25 hours.

7 0
2 years ago
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klasskru [66]

Answer:

x \geq -8 (NUMBER LINE ATTACHED)

Step-by-step explanation:

Hi! Hope this helps, if so please mark me brainliest! :)

6 0
3 years ago
What is the least common multiple of 12 and 11?
blsea [12.9K]
132, to sum up, the Lcm Of 11 and 12 is 132
8 0
3 years ago
Read 2 more answers
Find and equation for the line that passes through the points (-6,-4) and (4,4).
Ghella [55]
We have (x-4)/(-6-4) = (y-4)/(-4-4);
(x-4)/(-10) = (y-4)/(-8);
(x-4)/5 = (y-4)/4;
4x-16 = 5y-20;
4x - 5y + 4 = 0;
5 0
3 years ago
Read 2 more answers
A high rise apartment building has 15 floors with 26 apartments on each floor.There are 3 kinds of apartments in the building: 1
konstantin123 [22]

Answer:

The number of each kind of apartment in the building is 130  .

Step-by-step explanation:

Given as :

The total number of floor in a building = 15

The number of apartment on each floor = 26

So, The total number of apartment = 26 × 15 = 390

The number of kinds of apartment in the building is 3 ,  i.e 1-bedroom ,               2-bedroom , 3-bedroom

Let The number of each kind of apartment in building = x

So, According to question

The number of each kind of building = \dfrac{\textrm Total number of apartment }{number of kinds of apartment}

or, x = \frac{390}{3}

∴   x = 130

Hence The number of each kind of apartment in the building is 130  . Answer

3 0
3 years ago
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