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3 years ago

WILL GIVE BRAINLIEST TO THE FIRST ANSWER!

Mathematics

1 answer:

kupik [55]3 years ago

4 0

Answer:

it is B because if you divide by fractions by the ratio of 3 people you get (B) $90.00

Step-by-step explanation:

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The average age of 15 students is 16 years. If teacher’s age is included the average increases by 1. Find teacher’s age. (a) 30

Mrac [35]

Answer:

Age of teacher = 32 years

Step-by-step explanation:

Average age of 15 students = 16 years

Sum of age of 15 students = 16 * 15 = 240 years

Average of age 15 students and a teacher = 17 years

Sum of age 15 students and a teacher = 17 * 16 = 272 years

Age of teacher = 272 - 240 = 32 years

4 0

3 years ago

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How many fourths are in 4 1/4? Use your answer to rewrite 4 1/4 in the form ?/4

hoa [83]

17/4 because you have to do 4x4 +1 which equal 17 then make that an improper fraction.

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3 years ago

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Five times sum of a number, x,and nine is ten. What is the number?

muminat

Answer:

$-7$

Step-by-step explanation:

$5(x+9) = 10$

$5x+45=10$

$5x = -35$

$x=-7$

Hope this helps.

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3 years ago

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Which statement is correct?

Elan Coil [88]

Answer:

hbw ygav

Step-by-step explanation:

7 0

3 years ago

Help me Solve 1/6 ÷ 2/6 please

pochemuha

$\frac{1}{6}$ ÷ $\frac{2}{6}$

First, apply this following rule: $a$ ÷ $\frac{b}{x} = a$ × $\frac{c}{b}$
$\frac{1}{6}$ × $\frac{6}{2}$
Second, apply this following rule: $\frac{a}{b}$ × $\frac{c}{d} = \frac{ac}{bd}$
$\frac{1x6}{6x2}$
Third, multiply 1 × 6 to get 6 and 6 × 2 to get 12.
$\frac{6}{12}$
Fourth, find the GCF of 6 and 12.
Factors of 6: 1, 2, 3, 6
Factors of 12: 1, 2, 3, 4, 6, 12
The GCF is 6.
Fifth, divide the numerator by the GCF.
$6$ ÷ $6 = 1$
Sixth, divide the denominator by the GCF.
$12$ ÷ $6 = 2$
Seventh, collect the new numerator and new denominator.
$\frac{1}{2}$

Answer as fraction: $\frac{1}{2}$
Answer as decimal: 0.5

8 0

3 years ago