Answer:
The way a proportion is set is as follows;

The Distance from Rio de Janeiro and San Jose Costa Rica is then found as 800 miles
Step-by-step explanation:
The dimension of the distance between Rio de Janeiro and San Jose Costa Rica = 4 inches
The map scale = 1 inch to 200 miles
To figure out how many miles it is or the actual distance from Rio de Janeiro and San Jose Costa Rica, we have;

Therefore, we have;
(4 inches × 200 miles)/(1 inche) = Distance from Rio de Janeiro and San Jose Costa Rica
Which gives;
Distance from Rio de Janeiro and San Jose Costa Rica = 800 miles.
-3+9= 6 hope this helped!
Answer: 0.3
Step-by-step explanation:
Because it took fewer than 7 boxes only 6 of the 20 simulated trials
P(fewer than 7 boxes) = 6/20 = 3/10 = 0.3
Answer:

Step-by-step explanation:
At each decision, there are two choices. To find the total number of types, we multiply the number of choices.
. Mary only wants on specific type of sandwich, so that is 