Paula tiene 231 cromos, y Sergio, 84 cromos más que Paula ¿Cuántos cromos tiene Sergio? (No entendi jajaja y esto en 2do de secu: c)

Amanda went into the grocery business starting with five stores. after one year, she opened two more stores. after two years, she opened two more stores than the previous year. if amanda expands her grocery business following the same pattern, which of the following graphs represents the number of stores she will own over time?

Avery’s piggy bank has 300 nickels, 450 pennies, and 150 dimes. she randomly picks three coins. each time she picks a coin, she makes a note of it and puts it back into the piggy bank before picking the next coin.

Complete the conditional statement. if a + 2 < b + 3, then a < b b < a a – b < 1 a < b + 1