A scale on a map shows that 2.52, 5 centimeters = 15 kilometers. What number of actual kilometers are represented by 17.5 centim
1 answer:
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So you reversed the subtraction a bit; the equation you're gonna be solving is 
.
First step ya gonna do is to reverse the + and - symbols in the trinomial thats in the parentheses so your equation looks like
Now just combine like terms and your answer should be
First step ya gonna do is to reverse the + and - symbols in the trinomial thats in the parentheses so your equation looks like
Now just combine like terms and your answer should be
Answer:
Step-by-step explanation:
Given
Girls = 3
Boys = 5
Required
How many ways can 2 boys and girls be chosen?
The keyword in the question is chosen;
This implies combination and will be calculated as thus;
For Boys;
n = 5 and r = 2
For Girls;
n = 3 and r = 2
Total Selection is calculated as thus;