The correct answer is 19.42
P=2(l+w)
190=2[(2l+5)+l)
190=4l+10+2l
190=6l+10
180=6l
l=30
190=2(30+w)
190=60+2w
130=2w
w=65
The width of the rectangle is 65.
Answer:
1/3
Step-by-step explanation:
Of the 15 students in the class, 5 are boys with glasses. The probability of selecting one at random is 5/15 = 1/3.
Answer:
b = 7.5
Step-by-step explanation:
- b × 2 = - 5 × 3
- 2b = - 15
- 2b ÷ - 2 = - 15 ÷ - 2
b = 7.5