Please help, thank you!

A corporation gave a university $320,000 to support product safety research. The university deposited some of the money in a 10% simple interest account and the remainder in an 11.3% simple interest account. How much should be deposited in each account so that the annual interest earned is $42,200?

answer for #1 is c

answer for #2 is d

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b

step-by-step explanation:

where's the diagram?

step-by-step explanation:

answer:

total cost for tiles and paints is $924.  

step-by-step explanation:

we have been given that a community hall is in the shape of a cuboid. the hall is 40m long 15m high and 3m wide.

the paint will be required for 4 walls and ceiling.

let us find area of walls and ceiling.

therefore, the area of walls and ceiling is 1410 square meters.

given: cost for 10 litre of paint is $10 and 10 litre paint covers 25 square meter. therefore,

therefore, the total painting cost is $564.

tiles will be required for floor. let us find the area of floor.

given: 1m squared floor tiles costs $3. so,

therefore, the total tiles cost is $360.

now let us find combined total cost of tiles and paint.

therefore, the combined total cost of tiles and paint is $924.