Answer:
100%_$40.80
? × _$38.76
Step-by-step explanation:
100%×$38.76÷$40.80=95%
Answer:
1/3 of the students
Step-by-step explanation:
4/12 of the students wins the small prize
so, 8/12 of the students will not get a small prize
1/2 of 8/12 = 4/12 = 1/3
1/3 of the students will get the certificate.
Answer:
z = 106, y = 23
Step-by-step explanation:
z and 74 is a supplementary angle which is equal to 180 degrees.
z + 74 = 180
z = 106
5y - 9 and z is a vertical angle, so the are equal to
each other.
5y - 9 = z
5y - 9 = 106
5y = 115
y = 23
