Answer: his lunch will cost him 45 dollar
Step-by-step explanation:
I can do the first part, but the second part is confusing...
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Find out how many plates Mike can pack in a minute.
60 (an hour) / .75 (3/4) = 45
180 / 45 = 4
Mike can pack 4 plates per minute.
Since Mike only packs 4 ppm, Lucy packs faster, with 5 plates per minute!
Answer:
4xy-3x^2-9y^2
Step-by-step explanation:
-9x^2+4xy-8y^2+6x^2-y^2
simplify
4xy-3x^2-9y^2
We rewrite equations to make them simple or to solve them. Solving algebraic equations often means isolating the variable or rewriting the equation so that one expression is only the variable with a coefficient of 1