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.
Answer: 4(5+2) or 4(2+5)
Step-by-step explanation:
8 = 2*2*2
20 = 2*2*5
4(5+2) = 20+8
Because of the low amount of dollars used, it is easier to use cents. 500 cents will buy you 250 text messages. You now need to find how much it cost to do one text message. Divide the price for 250 by the amount, and you will find that each text cost 2 cents. Now multiply by the 300 texts to find the total amount. 2 cents times 300 messages is 600 cents, or $6.
$6