Yes, set up your proportion: x/21 = 10/14
Cross multiply 14x = 210
Divide both sides by 14 and x= 15 cm
Answer:
This is what you have to explain:
With 5n, you are multiplying a number and a variable.
With 5 + n, you are adding a number and a variable.
Answer:
6000
Step-by-step explanation:
Divide top and bottom by the common factor.

Simplify
3 × 2000 = 6000
Yes both rates are equivalent