Write the simplified form of (-0.5z + 0.9z) – (-0.3z + 0.9z).
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Namely, how many times does 3¾ go into 78? well, is just their quotient.
let's firstly convert the mixed fraction to "improper", and then divide,
so, if we nevermind the 4/5 part, only 20 whole of those then.
let's firstly convert the mixed fraction to "improper", and then divide,
so, if we nevermind the 4/5 part, only 20 whole of those then.