10% = 3
70% = 3 * 7
= 21 students
Jamall is wrong because 70% of the class = to 21 students.
Answer:
B. x = 20
Step-by-step explanation:
angles on a straight line are supplementary
therefore, 6x+9 + 2x+11 = 180
so, 8x+20=180
8x = 160
x = 20
Answer:
21% decrease
Step-by-step explanation:
just took 75 _ 54 and came up with 21 and juat added the % to it
It is a right triangle because a 3, 4, 5 triangle is always a right triangle. it is because it is a Pythagorean Triple. all the sides are whole numbers
Tiffany answered 32 questions correctly since 32/40 is .80
