Mr. house wrote 8 tenths minus 5 hundredths on the board. maggie said the awnser is 3 hundredths because 8 minus 5 is 3. is she correct? explain.

Mr. House wrote 8 tenths minus 5 hundredths on the board. Maggie said the answer is 3 hundredths because 8 minus 5 is 3. is she correct? Explain
First let’s identify the given word values:
=> 8 tenths - .8
=> minus 5 hundredths = - .05
She said that the answer is 3 hundredths = .03
Solution:
=> 0.8 – 0.05 = 0.75 not 0.03
why? Because they are in different place value. And 8 tenths = .80 5 hundredths = 0.05

Answer d; a supplementary angle = 180°, so if that angle = 150°, y would = 30°.