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Vikki [24]
3 years ago
13

To become a member of an ice skating rink, you have to pay a $30 membership fee.The cost of admission to the rink is $5 for memb

ers, and $7 dollars for nonmembers. After how many visits to the rink is the total cost for members, including for membership fee, the same total cost for nonmembers?
Mathematics
1 answer:
Alchen [17]3 years ago
8 0
30 = 5(m) + 7(n)

5(a) + 30 = 7(a)

(a) is the number of visits!

15 = (a) 

5(15) = 75 + 30 = 7(15) = $105
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Joe what's to build a fence for his dog Charlie he plans to surround the rectangle to the right with fence. How many feet will h
Aleksandr [31]
Joe wants to build a fence for his dog Charlie.
The lengths of the perimeter of the rectangle that he plans to surround with fence are as follows:

10 feet + 15 feet + 10 feet + 15 +feet.

The total perimeter area of a rectangle is worked out as follows:
10 + 15 + 10 + 15 = 50 
Therefore Joe needs 50 feet of fencing to totally surround the rectangle with fence. 
3 0
4 years ago
Today the entire school 250 students went to the soap box derby the math club went in 2 vans and each van held 6 students how ma
const2013 [10]

Answer:

12 students from math club

Step-by-step explanation:

Number of vans = 2

Number of students in each van = 6

Number of students who went from math club to the soap box = ?

You can apply the following expression:

Total  number of students=Number of students per van * Number of vans

Total  number of students= 6 *2

= 12 students from math club....

3 0
3 years ago
The Ratio of two numbers is 3/5, and their sum is 104. What are the 2 numbers?
Rom4ik [11]

Answer:

39 and 65

Step-by-step explanation:

the ratio of the two numbers is 3 : 5

sum the parts of the ratio, 3 + 5 = 8 parts

divide the sum by 8 to find the value of one part of the ratio

104 ÷ 8 = 13 ← value of 1 part of the ratio , then

3 parts = 3 × 13 = 39

5 parts = 5 × 13 = 65

the two numbers are 39 and 65

4 0
2 years ago
Define an operation ‘&’ on the set of positive integers such that: 2 & 1 = 5 3 & 2 = 13 5 & 3 = 34
Scilla [17]

Answer:What are the equivalence classes of the equivalence relations in Exercise 3? A binary relation defined on a set S is said to be equivalence relation if it is reflexive, symmetric and transitive. An equivalence relation defined on a set S, partition the set into disjoint equivalence classes

7 0
3 years ago
Use a net to find the surface area of the cereal box.
lana [24]

Answer:

what is the side, length, and width

Step-by-step explanation:

6 0
3 years ago
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