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zysi [14]
3 years ago
6

Add 15 3/5 and 21 4/5 as a mixed number please help

Mathematics
1 answer:
Reptile [31]3 years ago
7 0

Answer:

15(5)+3=78

21(5)+4=109

78+109=187

Step-by-step explanation:

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True or false: the height is always twice the length of the base edge for any triangular pyramid
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FALSE

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4 0
2 years ago
Tickets to Dundee crowns mr.dchs are $3 for students and $5 for adults. The number of adult tickets sold was 195 more than the n
Maurinko [17]

Answer: number of tickets sold to adult = 566

Step-by-step explanation:

Let x = number of tickets sold by DCHS to students.

Let y = number of tickets sold DCHS to adults.

Tickets to Dundee crowns mr.dchs are $3 for students and $5 for adults.

This means cost of total tickets sold to students and adults is $3x and $5y respectively.

If DCHS collected $3943 for the tickets, then we have

3x + 5y = 3943 - - - - - -1

The number of adult tickets sold was 195 more than the number of student tickets. This means

y = x +195.

Put y = x +195 in equation 1

3x + 5(x+195) = 3943

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8x +975=3943

8x = 3943-975= 2968

x = 2968/8 = 371

y = 371 + 195= 566

4 0
3 years ago
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