Answer:
A. 8 cm sq
Step-by-step explanation:
Find the scale factor
new width/original width
8/1.6=5
calculate length of original rectangle
new length/scale factor
25/5=5cm
Find area of original rectangle
A=l×w
A=1.6×5=8cm²
Because one is negative and one is positive
Answer:
see the explanation
Step-by-step explanation:
Let
x -----> the number
we know that
Three-eighths multiplied by a number plus one must be equal to 11
so
The linear equation that represent this situation is
Solve for x
Subtract 1 both sides
Multiply by 8/3 both sides
The number is 80/3
If you divide 200/20 then you'll get 10 as your answer.