19 = 3g + 4
Subtract 4 from both sides.
19 - 4 = 3g
You get:
15 = 3g
Divide both sides by 3.
5 = g
Answer:
9
Step-by-step explanation:
Setup a proportion
= 
Cross multiply
40n = 360
Divide by 40
40n/40 = 360/40
n = 9
Answer:
b
Step-by-step explanation:
a=2, b=3
Then just substitute in a and b.
Hope I helped, I've had this problem before!
~Mschmindy
Answer:
56
Step-by-step explanation:
If there are 2x as many strawberries than watermelons and there is 28 watermelons....than.
28 x 2 = 56
56 strawberries.