Maria bought 1 eraser, 1 pen and 2 pencils at the school shop. The eraser coast $0.90, the pen coast $1.45 and the pencils each
1 answer:
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Answer:
10 units
Step-by-step explanation:
We are given that
BD=x+29
AD=x+39
AC=20
BC=x+19
AC=AB+BC
20=AB+x+19
AB=20-x-19=1-x
AD=AB+BD
Substitute the value of x=-9
Then , we get BC= units
Answer: BC=10 units
Answer:
Look at the image.
Step-by-step explanation:
