Answer:
x = 10
Step-by-step explanation:
The external angle of a triangle is equal to the sum of the 2 opposite interior angles.
∠CBD is an external angle of the triangle, thus
4x + 30 = 2x + 10 + x + 30, that is
4x + 30 = 3x + 40 ( subtract 3x from both sides )
x + 30 = 40 ( subtract 30 from both sides )
x = 10
Answer:
77
Step-by-step explanation:
10 percent of 70 is 7 so 70 plus 7 is 77
Answer:
Sine 3 books are for 60-
60/3
Rs20 (per book)
and 5 books for Rs 90-
90/5
Rs18 (per book)
Thus we can save 2Rs and 5 books for Rs 90 iscthe best buy
Answer:
8, 10, 24
(Basically every number above 4)
9 * 8 * 10 * 2981
72 * 10 * 2981
720 * 2981
2, 146, 320
Hope this helps!