5x-4x=20+7
x=27
x=27 hope this helped
Answer:16
Step-by-step explanation:16-4=12
Answer:
work is shown and pictured
Answer:
30lbs of recyclables.
Step-by-step explanation:
-Let x be the corresponding lbs of recyclables to 40lbs of trash.
-Given that for every 100lb of trash, 75lb is recyclable.
-We determine the ratio of trash to recyclables and use it to calculate the amount correspond to 40lbs of trash:
Hence, thee are 30lbs of recyclables in 40lbs of trash.
Answer:
the distance from Fresno to San Francisco on the second map is 75cm
Step-by-step explanation:
The scale on the first map is 1 cm to 20 km
The distance from Fresno to SanFrancisco is 15 cm
1cm/20km = 15cm
The scale on the second map is 1 cm to 100 km.
1cm/100km = x
X= 15cm*100km/20km *1cm/1cm
X=15cm *5
X= 75 cm
the distance from Fresno to San Francisco on the second map is 75cm