Answer:
should be the answer
Step-by-step explanation:
5x^2-10
Mixing the two concentrations would give a new concentration which is in between 50 - 60% .
D. 63% cannot be obtained
<h3>
Answer: 6 pieces</h3>
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Explanation:
3/4 = 6/8 after multiplying top and bottom of the fraction by 2
She has 6/8 of a yard of ribbon.
If she cuts the ribbon into pieces of 1/8 of a yard each, then she has 6 pieces overall
We can see this if we solve the equation (1/8)x = 6/8. Multiply both sides by 8 to get x = 6.