Asmall cruise ship has 220 passengers. at the san diego port, 2 groups of 12 passengers go ashore to shop and 5 groups of 6 passengers go sightseeing. evaluate 220 – (2 x 12) – (5 x 6) to find the number of passengers that are left on the ship.

Prove that the sum of two consecutive exponents of the number 5 is divisible by 30.if two consecutive exponents are 5n and 5n + 1, then their sum can be written as 30.

Aplane is taking off from bangladesh headed to new york city. at the same time, a plane from new york city is headed to bangladesh is also taking off. the plane bound to new york city is traveling at 600 mph, while the plane traveling to bangladesh is traveling at 400 mph. how far from new york city will the two planes meet if the distance between new york city and bangladesh is 8,000 miles?

Asap! i'm not good math and i'm lost.