60/7 = (56 + 4)/7 = 56/7 + 4/7 = 8 4/7
Answer:
a number decreased by four
Step-by-step explanation:
The sum of the angles in a triangle is always 180°.
49 + R + 80 = 180
180-129=51
Now,
We know that line PX = 180° because it’s a straight line
51 +
180+51 = 129
a) is correct
Answer:
i dont really know :/
b
Step-by-step explanation:
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Answer:
1 home + 1 triple + 5 double
1 +3+5×2
1+3+10=14
35-14 =21 singles
21/35×100=60%