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5(x + 1) (3x - 8)
Hope this helps!
Answer:
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When I graph it I get ↓↓↓
<em>Hope this helps!!!</em>
1st 70
2nd 71.4 rounds to 70
3rd I'd know sorry
For Erin, the graph shows 10 pounds of sugar are used for every 30 cups of tea.
For Lucia, we can let x=3 and we find 3 pounds of sugar are used for 10·3 = 30 cups of tea.
For the same number of cups of tea (30), Erin uses 10 pounds of sugar and Lucia uses 3 pounds of sugar.
Erin uses sugar at a higher rate.