Answer:
7x=12
Step-by-step explanation:
8x+5=6x+19
-
5
8x=6x+14
-
6x
2x=14 Divided by 2 Equals x=7
Set up the equation by writing the number of students in the ratio as a fraction:
3/4= (245-x)/x Cross multiply:
3x= 4(245-x) Multiply on right:
3x= 980-4x Add 4x on both sides:
7x= 980 Divide both sides by 7:
x= 140 this is how many girls there are. And:
245-140= 105= boys
Answer:
The answer would be 18 ft tall
Answer:
Roughly £2
Step-by-step explanation:
multiply the echange rate by 2 , its 378Yen
