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Marina86 [1]
3 years ago
7

The ratio of boys to girls is 7:8 if there were 42 boys how many girls are there

Mathematics
2 answers:
Flauer [41]3 years ago
6 0
Ratio of boys to girls are 7:8
and there are 42 boys.
42/7 will be the multiplier because you know the amount and the ratio.
so multiplier is 42/7 = 6
now we need to multiply 8x6=48
gladu [14]3 years ago
5 0
x^{123}  x^{123}  x^{123}  x^{123}  x^{123}  x^{123}  x^{123}  x^{123}  x^{123}  x^{123}  x^{123}
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The area of a trapezoid is 168cm2. The height is 16cm and the length of one of the parallel sides is 9cm. Find the length of the
dmitriy555 [2]

Answer:

12 cm

Step-by-step explanation:

The formula for the area of a trapezoid is written as:

1/2(b1 + b2)h

h = height = 16 cm

b1 = Length of one parallel side = 9cm

b2 = Length of second parallel side = ?

Area of trapezoid = 168cm²

The formula to find the length of the second parallel side =

b2 = 2A/h - b1

b2 = 2 × 168/16 - 9

b2 = 336/16 - 9

b2 = 21 - 9

b2 = 12cm

Therefore, the length of the second parallel side is 12 cm

3 0
3 years ago
Please answer right away
Rufina [12.5K]

Answer:

The answer is 295.

Step-by-step explanation:

If you divided each volume by the number of the jelly beans, it is 2.5

Hope it helped you!

3 0
3 years ago
Pedro simplified 4/7 * 8/5 ; his work is shown below. Identify where he made his error. Original division problem: 4/7 * 8/5 Ste
scoray [572]
I am not sure but I would say either step 2 or 4 but I am not 100% sure I hope you do well. Good Luck:) 
4 0
3 years ago
Read 2 more answers
I need some help with this one question
monitta

Yo sup??

Number of goldfish=3

Number of turtles=1

Total number of pets=4

Fraction of goldfish=3/4

Therefore the correct answer is option 4

Hope this helps

4 0
3 years ago
Jay ate 2/3 of a pizza. Dan ate 4 times the amount of jay ate . How much did dan eat
erica [24]

Answer:

Dan eat 2\frac{2}{3} pizzas

Step-by-step explanation:

Let

x-----> amount of pizza Jay ate

y-----> amount of pizza Dan ate

we know that

x=\frac{2}{3} ----> equation A

y=4x -----> equation B

substitute equation A in the equation B and solve for y

y=4(\frac{2}{3})=\frac{8}{3}

Convert to mixed number

\frac{8}{3}=\frac{6}{3}+\frac{2}{3}=2\frac{2}{3}

8 0
3 years ago
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