Voy a decir que son 5 litros
I feel it should be 30 because x represents the number of lessons, and 30 is multiplied by that.
S=350 your starting amount + 30w which is 30× the number of weeks (19) which comes out to give you s=920 if I did it correctly
Answer: -15yx^2
Step-by-step explanation:
-12x^2 * y -3x^2 * y=
-12(x^2 * y)-3(x^2 * y)=
(-12-3)(x^2 * y)=
-15x^2 * y=-15yx^2
Answer:
1560
Step-by-step explanation:
1200*0.075 = 90
1200+90+90+90+90
