Answer:
X=9
Step-by-step explanation:
12+15=27
18+x=27
27-18=9
X=9
Answer:
38 is the answer
Step-by-step explanation:
2 times 19 is 38
Answer:
18 students
Step-by-step explanation:
60% of 30
(60*30)/100
1800/100 = 18 students
Answer:
L = w + 5
P = 2(L+w) = 42
L + w = 21
w+5 + w = 21
2w + 5 = 21
2w = 16
w = 8 ft
L = w+5 = 13 ft.
Rectangle is 13 ft by 8 ft
Area = 13(8) = 104 ft2
Check: P = 2(L+w) = 2(13+8) = 2(21) = 42 ft