Which of the following is another way to write 1,645.29? A.
1 thousand + 6 hundreds + 4 tens + 5 ones + 2 tenths + 9 hundredths
B.
1 thousand + 6 hundreds + 4 tens + 5 ones + 2 hundredths + 9 thousandths
C.
one thousand, six hundred forty-five and twenty-nine tenths
D.
one thousand, six hundred forty-five and twenty-nine thousandths

White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.