30 because tener is 6 sides and you do 6 times 5 to get 30
Answer:
Let's assume the number be 100.
According to the problem , 100 is increased by 100%.
So, new number will be 100+100=200
Now 200 will decreased by 20%.
So, 20% of 200= 0.20*200= 40.
So, again the number has been changed into 200+40=240.
So, x=240
Step-by-step explanation:
54 because the formula for the area of triangle is 1/2bh so you just substitute the b and h for 18 and 6
