Answer:
Sadie took 47 minutes to finish her test.
Step-by-step explanation:
Let Laura's time be x minutes.
Then we have:
x + 3x - 16 = 68
4x = 84
x = 21 minutes.
So Sadie took 3(21) - 16 = 63-16
= 47 minutes.
Answer:
no
1/2 (8 - 4g) is 4 - 2g
4 - 2g doesn't equal 4 + 2g
Answer:
c
Step-by-step explanation:
4 times 1 is 4 and 4-3 is 1
im pretty sure the answer is 30
1/2 X base X height= triangle
length X width X height= square