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Yakvenalex [24]
3 years ago
13

Can someone please help me asap I’ll mark brainlist?!?!

Mathematics
2 answers:
Drupady [299]3 years ago
6 0

Answer:

a = 40

Step-by-step explanation:

Cross multiply, then divide:

  1. 15 × 8 = 120
  2. 120 ÷ 3 = 40

I hope this helps!

Setler [38]3 years ago
4 0

Answer:

40

Step-by-step explanation:

15/40 divided by 5= (15 divided by 5)/(40 divided by 5)= 3/8

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A mattress store is having a sale all mattresses are 30% of. Nate wants to know the sale price of a mattress that is regularly $
koban [17]

Answer: $700

Step-by-step explanation:

The store is selling at 30% off.

If a mattress is $1,000, first find out what 30% of $1,000 is:

= 1,000 * 30%

= $300

The store is selling 30% off, this means that they are reducing the price by 30%:

= 1,000 - 300

= $700

5 0
2 years ago
Lucy is a dress maker. She sews 4/7 of a dress in 3/4 hour. Lucy sews at a constant rate. At this rate, how many dresses does Lu
MAVERICK [17]

Answer:

16/21 dresses

Step-by-step explanation:

3/4 · k hours: 4/7 · k dresses for any constant k

If we want 1 hour, then k will need to be 4/3

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7 0
3 years ago
The diameter of a circle is 3.2 meters. Which is the circumference of the circle rounded to the nearest hundredth of a meter?
Paraphin [41]

Answer:

10.05 meters

Step-by-step explanation:

If the diameter is 3.2 meters, then the radius is 1.6 meters.

Use the circumference formula, C = 2\pir, and solve for C

C = 2\pir

C = 2\pi(1.6)

C = 3.2\pi

C = 10.05

So, to the nearest hundredth of a meter, the circumference is 10.05 meters

4 0
2 years ago
5/6 + 7/8 + 3/4 <br> i need help
Dimas [21]

Answer:2 11/24

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
A total of 504tickets were sold for the school play. They were either adult tickets or student tickets. There were 54more studen
LuckyWell [14K]

Answer:

225 adult tickets

Step-by-step explanation:

S: no. of students

A: no. of adults

S = A + 54

S + A = 504

A + A + 54 = 504

2A = 450

A = 225

S = 225 + 54

S = 279

3 0
3 years ago
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