Answer:
28 cm
Step-by-step explanation:
Triangle ABC is obtained by joining the mid points of the sides of triangle XYZ.
So, perimeter of triangle ABC will be equal to half of the perimeter of triangle XYZ.
9% of $30 is $2.70. 9% of $25 is $2.25. Therefore, Mira pays $32.70 and Gus pays $27.25. 32.70-27.25=5.45. The difference in the amount of that Mira and Gus paid is $5.45.
The exact mangitude of the BC would be
To find the price per spoon of brand A, divide the cost by the amount of spoons:
1.99 / 25 = 0.0796
Repeat this process for brand B:
3.89 / 42 = 0.0926
Brand A, at $0.08 a unit, is the better buy of brands A and B.
Hope this helps.
Answer:
A . or C. is probley your best bet if not I'm sorry