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3 years ago

9

The school play is selling tickets where tickets for children are $3.50 each and tickets for

1 answer:

Vera_Pavlovna [14]3 years ago

8 0

Answer:

System of equations:

3.5c + 5a = 377

c + a = 85

Solved:

(53, 32)

Step-by-step explanation:

32 children's tickets were sold and 53 adults tickets were sold.

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3 years ago

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3 years ago

9m + 7n2 - 4 + 6m + 5

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3 years ago

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nadezda [96]

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3 years ago

Please need help quickly

Natali [406]

1. $\frac{1}{6}x=4$ Multiply 6 on both sides

$(6)\frac{1}{6}x = 4(6)$

x = 24 [to check it, you can plug 24 in for x in the equation, and do the same for 1-9]

2. $\frac{5}{6}n = 15$ Multiply 6/5 on both sides

$(\frac{6}{5} )\frac{5}{6}x=15(\frac{6}{5})$

$x = \frac{90}{5}$

x = 18

3. $\frac{2}{3}d=\frac{14}{15}$ Multiply 3/2 on both sides

$(\frac{3}{2} )\frac{2}{3}d=\frac{14}{15}(\frac{3}{2})$

$d=\frac{42}{30}$

$d=\frac{7}{5}$

4. $\frac{3}{4}w=\frac{21}{30}$ Multiply 4/3 on both sides

$(\frac{4}{3})\frac{3}{4}w=\frac{21}{30}(\frac{4}{3})$

$w = \frac{84}{90}$

$w=\frac{14}{15}$

5. $\frac{3}{5}t=12$ Multiply 5/3 on both sides

$(\frac{5}{3})\frac{3}{5}t = 12(\frac{5}{3})$

$t=\frac{60}{3}$

t = 20

6. $\frac{1}{8}a=\frac{1}{3}$ Multiply 8/1 or 8 on both sides

$(8)\frac{1}{8}a=\frac{1}{3}(8)$

$a=\frac{8}{3}$

7. $-\frac{1}{6}x = -5$ Multiply -6/1 or -6 on both sides

$(-6)-\frac{1}{6} x = -5(-6)$

x = 30

8. $\frac{9}{4} r=-\frac{27}{32}$ Multiply 4/9 on both sides

$(\frac{4}{9})\frac{9}{4} r=-\frac{27}{32} (\frac{4}{9})$

$r=-\frac{108}{288}$

$r=-\frac{3}{8}$

9. $-\frac{2}{5} m=4$ Multiply -5/2 on both sides

$(-\frac{5}{2})-\frac{2}{5}m=4(-\frac{5}{2} )$

m = -10

4 0

3 years ago