Answer:
Front end estimation is a way of rounding numbers to estimate sums and differences.
Step-by-step explanation:
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(Answer 2,770) (estimation: 3,000)
Answer:
4
Step-by-step explanation:
i. d k I just entered the data into calculator
If his water to cement ratio is 20 to 30, this means that if he uses 20 liters of water, he'd use 30 liters of cement.
The total mixture would then be 20+30=50 liters.
and the water would be 20/50=0.4 or 40% of the total mixture.
It’s either B or D.. now you have 2 hopefully this helps