28 rowan raised $640 in a charity walk last year. this year he raised 15% more than he raised last year. how much money did rowan raise this year?

Divide: 1573 ÷ 7 = a) 222 r5 b) 223 r6 c) 224 r5 d) 224 r3

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?

Could someone with number 1 and 2