I don't see the answer choice here that 0.4 should be ,which is 4/10,once reduced by dividing both 4 and 10 by 2 ,you would get an answer of 2/5???Are you sure these choices are correct?
Answer from: Quest
the entire expression should be subtracted from 30. to subtract the quantity, distribute the negative sign, which changes the signs on the terms. so, the –2 changes to positive and gets added to 30 instead of subtracted from it.
hope this ! ^w^
Answer from: Quest
Your answer should be 1/3. i hope i could ! good luck : )
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