7/10 is 0.7 or 70%
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The reciprocal 7/10 is 10/7
7/10 to a decimal and a percent = 0.7 ; 70% 7/10 = 7 ÷ 10 = 0.7 in decimal 7/10 * 100% = 70%
2/5 + 7/10 = 4/10 + 7/10 = 11/ 10 or... 1 and 1/20
We are given that a + b = -7 and b = 10 Therefore a +10 = =7 Subtract 10 from each side So a + 10 - 10 = -7 + 10 Which simplifiesn to a = 10 - 7 So a = 3
(7/7)/(10/7) 7/7=1 So 1/(10/7) is the final fraction 1/(10/7)=1/1.428571429 =0.6999999998 Which is roughly 0.7 Hope this helps.