The price of an item yesterday was $40. Today, the price fell to $22. Find the percentage decrease.
1 answer:
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Answer:
D is the right one
Step-by-step explanation:
π radian = 180 degree
-> 135 degree = π radian
-> 135 degree = 0.75 * π radians = 3π/4 radian
1500 ice cubes need to fill 1.5 L jar
Solution:
1 cm = 1 ml
Capacity of ice cube = 1 cm
= 1 ml
Capacity of jar = 1.5 L
1 L = 1000 ml
1.5 L = 1.5 × 1000
= 1500 ml
Capacity of jar = 1500 ml
= 1500
Therefore 1500 ice cubes need to fill 1.5 L jar.