3 years ago

Rewrite the percentage in the sentence below as a decimal

Mathematics

2 answers:

Scorpion4ik [409]3 years ago

8 0

.70 is the decimal form

fiasKO [112]3 years ago

4 0

70% = 70/100
divide 70 by 100
=0.7

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Use simple interest formula $I=P\cdot r\cdot t,$ where

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<u>5% account:</u>

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$I_1+I_2=69.50\\ \\0.04x+0.05(1,500-x)=69.50\\ \\4x+5(1,500-x)=6,950\\ \\4x+7,500-5x=6,950\\ \\4x-5x=6,950-7,500\\ \\-x=-550\\ \\x=550\\ \\1,500-x=1,500-550=950$

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