Answer:
1,7
Step-by-step explanation:
7x = 9x-2
2 = 2x
x = 1
y = 7
Ratio of girls to boys is 3:2....added = 5.....this means that 3/5 of the total students are girls and 2/5 of the total students are boys.
so if there are 50 students...
3/5(50) = 150/5 = 30 girls
2/5(50) = 100/5 = 20 boys
D = m
----
v
2.336 g/cm^3 = m
----
350
(350) 2.336 = m
817.6g = m
41. A. 30
42. 148 because supplementary angles equal 180
