Answer
6.9473
Step-by-step explanation:
3n+2n= 5n
22+38=60
180-60=60
60=5n
n=12
Answer: B
Step-by-step explanation:
Answer:
a function can be represented by a bike
Step-by-step explanation:
a bike has many things that work together to power the bike
the pedals allow the bike to move. the handles allow the bike to move different directions. the wheels allow the bike to move while working withe the pedals and the gears
Answer:
60 grams
Step-by-step explanation:
For these type of questions, we can equate the ratio with the actual amounts. We will let the quantity to find be an unknown variable, such as x. Then we equate the ratios, cross multiply, and use algebra to solve.
Let grams of zinc be "x", so we can write the ratios and actual amounts as:

Then we cross multiply and solve for x, what we want to find out. Shown below:

There are 60 grams of zinc.