A rectangle measuring 7 cm by 4 cm is enlarged by a ratio of 2:1.
a) What is the area of:
i) the original rectangle?
ii) the enlarged rectangle?
b) By what ratio has the area been enlarged?

3/4 ÷ 3/4

step-by-step explanation:

basically divide any proper fraction with itself to fit the criteria.

so if we are using 3/4, then:

3/4 ÷ 3/4 = 1

so 1 is the quotient.

and the numerators for both these fractions is 3.   and if we divide the numerators:

3 ÷ 3 = 1

we see that quotient is equal to our original quotient as well.

341

step-by-step explanation:

all you have to do is 9x31 (which equals 279) and then 20x31 (which equals 620). then you have to subtract. 620-279=341.

the answer is a.

step-by-step explanation:

in three games of golf, alex shot two under par four times.