Simplify the sum. (7u^3 + 8u^2 + 7) + (8u^3 – 3u + 7)
2 answers:
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Answer:
1015 widgets
Step-by-step explanation:
First investigate how many widgets can machine A produce in 1 hour:
If it produces 435 in 3 hours, then it will produce one third of that in one hour:
In ONE (1) hour widgets
Therefore in seven (7) hours it will produce seven times the amount it does in one hour, that is:
widgets