2.5x + 4x = 39
6.5x = 39
x = 39 / 6.5
x = 6
Step-by-step explanation:
Distance = Speed x Time
Given Distance = 40km/h or kph
Time = 5 hours 15 minutes
=

Distance Travelled = 40 kph x 5.25 hours
= 210km
Answer:
C: 
Step-by-step explanation:

Since a =
:

Since n = 4 :

Flour : sugar = (1/3) : (1/5) = 5 : 3 . . . . . . . . multiply the first ratio by 15 to eliminate fractions
The total of ratio units in the last representation is 5+3=8, so for a recipe of 16 cups, each ratio unit will stand for 16/8 = 2 cups.
Multiplying the ratio by 2 cups, we find Amanda will need
... 10 cups flour : 6 cups sugar
for her recipe.
Answer:
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Step-by-step explanation:
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