Question

1.Write the equations for the following statements.
a) 16 added to three times a number is 1
b) If you take 7 from 2 times a number, you get 11.
2.Find the measure of the supplement of angle 85ᵒ .
3.A car covers a distance of 19.5 km in one litre of petrol. How much distance will it cover in 20 litres of petrol? they gets 20 point hurry and plsssssssssssssssssssssssssssssssssssssssss

Answer 1

a_16+2x=1
b_2x-7=11
c_x+ 85=180
= x=180-85=95
d_in 1l in 19.5km
so in 20l =20x19.5=390

Answer 2

hi,

1.)
a.) 16 + 3x = 1
B.)2x - 7= 11

2.) supplement means a + B = 180
= a = 180- 85
a = 95

3.)1 litre =19.5km
multiply both side 20
= 20 litres = 20(19.5) km
=20 litres = 390

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