Identify if the unknown is the percentage, base, or rate 1.) 18 is 60% of what number? 2.) What percent of 24 s 367 3.) What is 75% of 257 4.) 36 is 40% of what number? 5.) What is 0.6% of 247 6.) What is % of 1257 7.) What percent of 80 is 120? 8.) 24 is 60% of what number? 9.) 120 is 20% of what number? 10.) What is 25% of 100?​