In the United States, 13131313 out of every 20202020 cans are recycled. What percent of cans are recycled?
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International calls require the use of a country code. many country codes a 3-digit numbers. country codes do not begin with a 0 or 1. there are no restrictions on the second and third digits. how many different 3-digit country codes are possible?

Two florida panthers were weighed. one weighs 6x+21 pounds and the two together weigh 14x+11 pounds how much does he other panther weigh alone

5x−4≥12 or 12x+5≤−4 can you with this problem