I think that the answer is B.
Answer:
Final alloy
- weighs grams
- contains grams of cooper
- percent of cooper in alloy is
Step-by-step explanation:
Suppose that a certain alloy is made by mixing 90 grams of an alloy containing 50% of copper with 70 grams of an alloy containing 35% copper.
50% alloy contains
grams of cooper
35% alloy contains
grams of cooper
Final alloy
- weight grams
- contains cooper grams
- percent of cooper in alloy
Answer:
Step-by-step explanation:
Distance Formula:
Simply plug our coordinates into the distance formula to find the distance between the points:
(4b)•(0.5a) = (4•0.5)(a)(b) = 2ab . . . . matches the first choice
Answer:8 lilies and 12 tulips; total of 20 flowers.
Step-by-step explanation:
8 lilies for $3 each equals $24. 12 tulips for $2 each equals $24. Add that together and the total for the bouquet is $48.