Answer:
the answer is 157
Step-by-step explanation:
i had a test with the same question, i promise its right :)
90=l+l+w+w
90=28+28+w+w
90=56+2w
34=2w
17=w
The width of the playground is 17.
Answer:
To find the original dimensions, write a proportion with the scale as the first ratio and the scale dimension compared to the actual dimension as the second ratio. Use cross products to solve. To find new dimensions, write a proportion with the new scale as the first ratio and the scale dimension compared to the actual dimension as the second ratio. Use cross products to solve.
It's a conditional probability: (We know that the probability of getting 1 tail or 1 head is equal to 1/2)
Probability ( Tail AND Tail) = 1/2 x 1/2 = 1/4