Two cups of flour make 23 batch of bread. How many cups of flour make 1 batch?
1 answer:
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Answer:
g =
Step-by-step explanation:
Given
2(g - h) = b + 4 ← distribute parenthesis on left side
2g - 2h = b + 4 ( add 2h to both sides )
2g = b + 4 + 2h ( divide both sides by 2 )
g =
So.. the two trains, are 400 miles apart, their speeds differ by 10, so one train is faster than the other.. .let's say train A is faster than train B, by 10mph
so if train A has a speed rate of "r", then B has a rate of "r - 10"
after train A has beeng running for 4hrs, it has travelled a distance "d"
train B has travelled also for 4hrs, they're both 400 miles apart, and travelling towards each other, so the total distance travelled by both is 400miles
so after 4hours B has travelled the slack from 400 and "d", namely 400 - d
recall your d = rt --> distance = rate * time
solve for "r", to find the speed of the faster train A
what's the speed of B? well, B's rate is r - 10
so if train A has a speed rate of "r", then B has a rate of "r - 10"
after train A has beeng running for 4hrs, it has travelled a distance "d"
train B has travelled also for 4hrs, they're both 400 miles apart, and travelling towards each other, so the total distance travelled by both is 400miles
so after 4hours B has travelled the slack from 400 and "d", namely 400 - d
recall your d = rt --> distance = rate * time
solve for "r", to find the speed of the faster train A
what's the speed of B? well, B's rate is r - 10