Answer:
see below
Step-by-step explanation:
9 x 8 = (10 x 8) - ( blank x 8) =80 - blank = blank
We are replacing 9 with 10 minus something
9 = 10 -1
9 x 8 = (10 x 8) - ( 1 x 8)
80 - 8
72
Answer:
Step-by-step explanation:
A. Cruz rounded the price up to $15
so 15x3=$45
his estimate will be higher as he rounded up
B. Jessica rounded down to $14
so 14x3=$42
her estimate will be lower as she rounded down
Ashley can help his father and it is a very easy that she can solve for the triangular portion of the roof by using the formula of the area of a triangle which is equivalent to A=1/2*H*B. Ashley needs to measure the length of both base and height of the triangular portion of the roof. Then, she can proceed with the equation.
A) 2 3/8
Because 2 times 8 gives you 16 then you add 3 which equals to 19.
Hope this helped!