Answer:
40x-11
Step-by-step explanation:
Answer:
24
Step-by-step explanation: it’s been half an hour and they ran the 12 miles so in an hour which is double half an hour they ran two times what they did in half an hour
Answer:
Step-by-step explanation:
4. 10x + 30 = 90
10x = 60
x = 6
complementary
5. 4x + 40 + 3x = 180
7x + 40 = 180
7x = 140
x = 20
supplementary
Answer:sufwubfwjbfuiqwnuednfubqw cjbew
Step-by-step explanation: wejfuncuwebfucwbrpubfwuefb38248237r8