2 answers:
Answer:
Step-by-step explanation:
4/7 x + 70 cm^3 = 3/4 x Subtract 4/7 x from both sides
3/4 x - 4/7 x = 70 cm^3 The lowest common denominator is 28
5x = 70*28
5x = 1960 Divide by 5
x = 1960/5
x = 392 cc
Answer:
Step-by-step explanation:
<u>The difference of 3/4 and 4/7 of the volume is 70 cm:</u>
3/4 - 4/7 = 7/7*3/4 - 4/4*4/7 = 21/28 - 16/28 = 5/28 5/28 of the volume is 70 cm³
<u>Divide both numbers by 5/28 to find the total volume of the glass:</u>
70 : 5/28 = 70*28/5 = 392 cm³
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