Answer:
this may help you.look it once
So since they are similar
AC/BC=CD/CE
so
(66-x)/30=(x+4)/5
times both sides by 5
(66-x)/6=x+4
times both sides by 6
66-x=6(x+4)
distribute
66-x=6x+24
add x to both sides
66=7x+24
minus 24 from both sides
42=7x
divide both sides by 7
6=x
x=6 units
Answer:
98.5kg
Step-by-step explanation:
since we are rounding to the nearest whole number, our answer will use ±0.5
as we are calculating upper bound, we will add 0.5 to the original weight, so the answer is 98.5 kg
Answer:
40b
Step-by-step explanation:
40b-56+56
40b
hope this helps