It is a math problem of first degree equation:
a hotel has double and triple rooms. in total, 40 rooms and 94 beds. how many rooms are there of each type?
can you explain me this probles step by step?

answer: whale

step-by-step explanation:

hello from mrbilldoesmath!

answer:

the domain is the set { -2, 0, 2, 3}

discussion:

the domain is the set of x values in the ordered pairs (x,y). taking the x, or first component, of each ordered pair gives   -2, 0, 2, 3.

you,

mrb

step-by-step explanation:

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