7x+3(4x-8)=109 7x+12x-24=109 19x-24=109 19x=109+24 19x=133 X=133÷19 X=7
Answer:
0.50
Step-by-step explanation:
There are two outcomes when flipping a coin, heads or tails, and one of them is heads so the probability is 1/2 = 0.50.
34 and 17
x+y=51
2y=x
2y+y=51
3y=51
y=17
2(17)=x
x=34
