D
If you multiply 3 by 10 and add a zero onto the ten in the question that is 100 in half an hour, all you need to do then is multiply that answer by two to get your answer.
Answer:
D) 1 quarter and 1 dime
Step-by-step explanation:
1 quarter = 25% of a dollar
+
1 dime = 10% of a dollar
10% + 25%=35% not 30
Answer:
486 mm
Step-by-step explanation:
solve each side on it's own first
First 2 rectangles: 288 mm all together
2 rectangle: 144 mm
Triangles: 54 mm
Then add rectangles and triangles:
288 mm + 144 mm + 54 mm = 486 mm
Answer:
17.6 minutes
Step-by-step explanation:



