Frankie buys some stamps. She spends £11.70 on 20p and 50p stamps. She buys twice as many 20p stamps than 50p stamps. How many 20p stamps does Frankie have?

A16 ounce bottle of orange juice says it contains 200 milligrams of vitamin c which is 250% uh just read the paper it explains it better

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?

Identify an equation in point slope form for the line perpendicular to y=3x+5 that passes through (4,-1)