cant seem to work out the formula to solve this

cant seem to work out the formula to solve this

In a calculator, the ratio of the number of gray buttons to the number of black buttons is 3:5. There are 4 more black buttons than gray buttons. How many buttons are there altogether ...

I just need the answer to this problem!

IN RATIO WHAT IS 56 MINUTES TO 4 HOURS

A chef is making carrot pies. For each pie he needs the following ingredients: 500g flour, 300g margarine, 3 eggs, 250g carrots and 800g potatoes. The chef has the following items in stock: 3kg flour,...

In a fruit punch drink, the 3 ingredients are apple juice, orange juice and cranberry juice. If 2 7 of the drink is apple juice and 1 2 is orange juice then write the ratio...

a)The ratio, by volume in mixing colour with pain is given by 6:100. Find in litres the volume of colour that must be added to 5 litres of paint. b)The volume of a solid with uniform cross section...

X Y AND Z ARE MEN

Netherlands walking 18%, United States 9%. The ratio of the population to the Netherland to United States is 1 to 18. What is the ratio of the number of walkers in the two countries? Justify...

Mathhhhhh

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Golf balls are sold in tubes and each tube contains 8 golf balls. Nicole buys 3 tubes and gives Lm 20 to the shop attendant. If Nicole rececives Lm 4.40 change, find the cost of one golf ball.

In order to get full marks I need to show my work properly. Raisins and sunflower seeds are sold together in packages of 250 g. The ratio of the mass of raisins to the mass of sunflower...

please show working out so i may understand

On average, a car uses 1 litre of petrol to conver a distance of 6.5 km. A full tank of petrol holds 54 litres. i)How many kilometres can be converted with a full tank? ii)How many litres...

The weight of box A is twice the weight of box B and the weight of box B is one third of the weight of box C 1)Give the ratio of the weight of box A to the weight of box C. 2) if box C weights...

The ratio of boys to girls in a group is 3:1. If there are 28 more boys than girls, work out how many people there are in total.

if the ratio of ashes essay is 2:11 and she spells 122 words correctly how many did she spell incorrectly

Solve this, SOLVE

Solve this