The concept useful in finding the answer to this item is ratio and proportion, the ratio of the height of your friend with the shadow casted should be proportional to the height of the rock with the length of the shadow it cast. That is,
5.5 ft / 18 ft = x ft/ 209.5 ft
The value of x from the equation above is 64 ft.
Answer:
it is easier to multiply first and then to place the decimal point. Multiply the factors as if they were whole numbers. Disregard the decimal point until you place it in the product.
Exact Form: 21/25
Decimal Form: 0.84
Step-by-step explanation: Reduce the expression, if possible, by cancelling the common factors.
37+37+37+37=148 all you have to do is add 37 together four times
