2 years ago

The ratio of boys to girls in a school is 5:8. If the number

1 answer:

5 0

624 students
Since they’re only 3 parts more girls then boys and the number equals 144, you just have to divide 144 by 3. You’ll get 48
Multiply 5 and 8 by 48 to get 240 and 384 and add to get 624 which is the answer

You might be interested in

[y = x + 4][3x -2y =-7] substitution

tia_tia [17]

Answer:

x=15, y=19

Step-by-step explanation:

3 0

2 years ago

Write a mixed number that is greater the 3 bit less than 4

Liono4ka [1.6K]

Probably 3 1/2 or 7/2

4 0

2 years ago

• Write an expression for the perimeter of a

Ksenya-84 [330]

Answer:

10 (X+1)

Step-by-step explanation:

Length = 2x + 5

Width = 3x

Perimeter of rectangle= 2(L + W)

P= $2\times (2x+5+3x)$

P= $2\times (5x+ 5)$

Now, taking 5 as common

P= $2\times 5 (x + 1)$

∴ Perimeter of rectangle= $10\times (x+1)$

6 0

2 years ago

Find the area of DEF with vertices D(-6,19), E(-1,9), and F(-8,9)

Ugo [173]

Check the picture below, you can pretty much count the units off the grid.

recall that the area of a triangle is A = (1/2)bh.

4 0

2 years ago

The Johnson family buys gasoline at three different gas stations during a car trip.

Salsk061 [2.6K]

Answer:

The unit rate for the first station is 2.1. The unit rate for the second station is 2.19. The unit rate for the last station is 2.07.

Step-by-step explanation:

25.20 divided by 12 is 2.1

19.71 divided by 9 is 2.19

33.12 divided by 16 is 2.07

6 0

2 years ago