Answer:
x=1+√5 or x=1−√5
Step-by-step explanation:
The teacher would need 40 centimeters of tape to hang 10 student projects.
Step-by-step explanation:
Given,
Tape used to hang projects = 36 centimeters
Number of projects hanged = 9
We will find unit rate;
9 projects = 36 centimeters
1 project =
1 project = 4 centimeters
Therefore,
Tape needed to hang 10 projects = 4*10 = 40 centimeters
The teacher would need 40 centimeters of tape to hang 10 student projects.
Keywords: unit rate, multiplication
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Answer:
John = 9
Kim = 6
Vanessa = 3
Step-by-step explanation:
John = n
Kim = n - 3
Vanessa = 0.5n - 1.5
Add them:
2.5n - 4.5 = 18
2.5n = 22.5
n = 9
Answer:
Step-by-step explanation:
<u>Given</u>
- Dime = d = 10c,
- Nickel = n = 5c
- Total coins = d + n = 72
- Total value = $4.90 = 490c
<u>Equations</u>