30. Match each expression with the correct problem.
(a) 30 x (40+50) The price of one 30-cent pencil
and fifty 40-cent erasers
(b) 30 + 40 x 50
The price of forty 30-cent pencils
and a 50-cent eraser
(c) 30 x 40 + 50
The price of forty 30-cent red
pencils and fifty 30-cent
blue pencils

a) 32pie square meters

step-by-step explanation:

d) 30 units^2

area of rectangle = l × b

we know,

length = 10 unit

breadth = 3 unit

applying the formula,

= l × b

= 10 × 3

= 30 unit^2

happy to

pls mark as brainliest

the answer is 2/54

step-by-step explanation:

emily solved for a part when she should have solved for the whole. 875,000 should be the numerator of the equivalent ratio. 70 x 12,500 is 875,000. so the answer is 100 x 12,500 which is 1,250,000.