Answer:
3 lbs
Step-by-step explanation:
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She earns a total of <span>846 dollars.</span>
1) 100% - 30% = 70% - remainder
70% = 0,7
50% = 0,5
2) 0,5 * 0,7 = 0,35 = 35% - made some pancakes
3) 70% - 35% = 35% = 0,35 (= 1400 g)
4) 1400 : 0,35 = 4000 g = 4 kg - aswer.
754 to the nearest 10 is 750